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WO2000030599A1 - Compositions de desodorisation et d'assainissement de la peau - Google Patents

Compositions de desodorisation et d'assainissement de la peau Download PDF

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Publication number
WO2000030599A1
WO2000030599A1 PCT/US1999/027684 US9927684W WO0030599A1 WO 2000030599 A1 WO2000030599 A1 WO 2000030599A1 US 9927684 W US9927684 W US 9927684W WO 0030599 A1 WO0030599 A1 WO 0030599A1
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WO
WIPO (PCT)
Prior art keywords
cyclodextrin
sanitizing
present
perfume
water
Prior art date
Application number
PCT/US1999/027684
Other languages
English (en)
Inventor
Michael Thomas Dodd
Karl Shiqing Wei
Toan Trinh
Mark Richard Sine
Robert Gregory Bartolo
David Andrew Jakubovic
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/321,292 external-priority patent/US6344218B1/en
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to JP2000583484A priority Critical patent/JP2002530313A/ja
Priority to AU19187/00A priority patent/AU1918700A/en
Priority to EP99962825A priority patent/EP1131044A1/fr
Publication of WO2000030599A1 publication Critical patent/WO2000030599A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005—Antimicrobial preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/27—Zinc; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/347—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A61K8/416—Quaternary ammonium compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/43—Guanidines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/738—Cyclodextrins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants

Definitions

  • the present invention relates to aqueous compositions comprising an odor controlling agent and select sanitizing agents for deodorizing and sanitizing skin surfaces.
  • Articles of manufacture and methods of deodorizing and sanitizing the skin using disclosed compositions are also disclosed.
  • an important aspect of the present invention is to provide improved skin sanitizing compositions.
  • Another aspect of the present invention is to provide skin sanitizing compositions comprising an odor controlling component and select sanitizing agents.
  • compositions of the present invention relate to stable, preferably translucent, more preferably clear, skin sanitizing and deodorizing compositions, comprising: a.) an effective amount to provide odor control benefit of an odor controlling agent, preferably selected from the group consisting of cyclodextrin, water soluble metallic salt, zeolites, soluble carbonate and/or bicarbonate salts, water soluble ionic polymers, silica gel, silica molecular sieves, activated alumina, kieselguhr, fullers earth, montmorillonite, smectite, attapulgite, bentonite, palygorskite, kaolinite, illite, halloysite, hectorite, beidellite, nontronite, saponite, hormite, vermiculite, sepiolite, chlorophyll, soda lime, calcium oxide, chitin, potassium permanganate, activated charcoal or activated carbon, and mixtures thereof
  • gel compositions are preferred.
  • the present invention also relates to methods of using the personal cleansing compositions.
  • the present invention further relates to an article of manufacture comprising the skin sanitizing and deodorizing composition incorporated into a preferably clear dispensing container.
  • One preferred skin sanitizing and deodorizing composition of the present invention comprises: a.) an effective amount of an odor controlling agent to provide odor control benefit; b.) from about 40% to about 99% of an alcohol antiseptic; c.) optionally, from 0 to about 10% of a water-soluble metallic salt; d.) optionally, from 0 to about 10% of a thickener; e.) optionally, from 0 to about 10% of an emollient; f.) optionally, from 0 to about 1% of perfume; and g.) water.
  • Another preferred skin sanitizing and deodorizing gel composition of the present invention comprises: a.) an effective amount of odor controlling agent to provide odor control benefit; b.) an effective amount of sanitizing agent comprising antimicrobial agent to kill or reduce the growth of microorganisms; c.) from 0.01% to about 10% of thickener; d.) optionally, from 0 to about 10% of emollient; e.) optionally, from 0 to about 1% of perfume; and f.) water.
  • the present invention also relates to stable, preferably translucent, more preferably clear, skin deodorizing gel compositions, comprising: a.) an effective amount of odor controlling agent to provide odor control benefit; b.) from 0.01% to about 10% of thickener; c.) optionally, from 0 to about 1% of perfume; d.) optionally, from 0 to about 10% of emollient; e.) optionally, from 0 to about 0.2% of antimicrobial preservative; and f.) water.
  • the skin sanitizing and deodorizing compositions of the present invention can comprise, consist of, or consist essentially of the essential elements and limitations of the invention described herein, as well any of the additional or optional ingredients, components, or limitations described herein.
  • alcohol antiseptic means an alcohol (or combination of alcohols) which is effective, at the concentration employed, to kill or reduce the growth of microorganisms, for example, bacteria, with which it comes in contact.
  • compositions of the present invention disinfect the skin area within about 5 minutes, preferably within about 1 minute, more preferably within about 30 seconds, and even more preferably within about 20 seconds, without the need for soap and water.
  • safe and effective amount means an amount of a compound or composition sufficient to significantly induce a positive benefit, preferably an odor controlling and antimicrobial benefit, including independently the benefits disclosed herein, but low enough to avoid serious side effects, i.e., to provide a reasonable benefit to risk ratio, within the scope of sound judgment of the skilled artisan.
  • the sanitizing and deodorizing composition of the present invention is clear.
  • the term “clear” as defined herein means transparent or translucent, preferably transparent as in “water clear,” when observed through a layer having a thickness of less than about 10 cm.
  • the skin sanitizing compositions of the present invention, including the essential and optional components thereof, are described in detail hereinafter.
  • odor controlling agent comprises material or materials which, individually or when formulated into the compositions of the present invention, serve to bind or entrap malodor molecules onto or into their molecular structures, or chemically react with malodor molecules such that the malodor molecule goes undetected by most (if not all) olfactory senses.
  • Suitable odor controlling agents include, but are not limited to, cyclodextrin, water soluble metallic salt, zeolites, soluble carbonate and/or bicarbonate salts, water soluble ionic polymers, silica gel, silica molecular sieves, activated alumina, kieselguhr, fullers earth, montmorillonite, smectite, attapulgite, bentonite, palygorskite, kaolinite, illite, halloysite, hectorite, beidellite, nontronite, saponite, hormite, vermiculite, sepiolite, chlorophyll, soda lime, calcium oxide, chitin, potassium permanganate, activated charcoal or activated carbon, and mixtures thereof, preferably cyclodextrin, water soluble metallic salt, soluble carbonate and/or bicarbonate salts, water soluble ionic polymers, zeolites and mixtures thereof, more
  • hydrolysates of keratin material and phosphoric diester compounds as described in U.S. Patents 4,591,497 and 5,556,614, respectively; both patents are herein incorporated by reference in their entirety.
  • Deodorizing compositions such as that described in U.S. Patents 4,818,524 and 4,946,672 are also preferred for use in the present compositions; both patents are herein incorporated by reference in their entirety.
  • Cyclodextrins include cyclodextrin.
  • the term cyclodextrin As used herein, the term
  • cyclodextrin includes any of the known cyclodextrins such as unsubstituted cyclodextrins containing from six to twelve glucose units, especially, alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin and/or their derivatives and/or mixtures thereof.
  • uncomplexed cyclodextrin as used herein means that the cavities within the cyclodextrin in the solution of the present invention should remain essentially unfilled while in solution, in order to allow the cyclodextrin to absorb various odor molecules when the solution is applied to a surface.
  • water-soluble, uncomplexed cyclodextrin as used herein means uncomplexed cyclodextrin having a minimum solubility limit of 1% (1 gram in 100 grams of water).
  • Non-derivatised beta-cyclodextrin can be present at a level up to its solubility limit of about 1.85% at room temperature. When beta-cyclodextrin is applied to a wipe substrate, levels higher than its solubility limit can be used.
  • Highly water-soluble cyclodextrins are also preferred to be used in the present invention, such as, alpha-cyclodextrin and/or derivatives thereof, gamma-cyclodextrin and/or derivatives thereof, derivatised beta-cyclodextrins, and/or mixtures thereof.
  • Highly water-soluble cyclodextrins are those having water solubility of at least about 10 g in 100 ml of water at room temperature, preferably at least about 20 g in 100 ml of water, more preferably at least about 25 g in 100 ml of water at room temperature.
  • the derivatives of cyclodextrin consist mainly of molecules wherein some of the OH groups are converted to OR groups.
  • Cyclodextrin derivatives include, e.g., those with short chain alkyl groups such as methylated cyclodextrins, and ethylated cyclodextrins, wherein R is a methyl or an ethyl group; those with hydroxyalkyl groups, such as hydroxypropyl cyclodextrins and/or hydroxyethyl cyclodextrins, wherein R is a -CH2-CH(OH)-CH 3 or a -CH2CH2-OH group; those with (hydroxyalkyl) alkylenyl bridging groups such as cyclodextrin glycerol ethers wherein (2-hydroxyethyl)ethylenyl, -CH2CH(CH2OH)-, groups bridge between the 2' and 3' hydroxyl oxygens on the glucosyl units; branched cyclodextrins such as maltose-bonded cyclodextr
  • alpha-cyclodextrin More preferred are alpha-cyclodextrin, beta-cyclodextrin, hydroxypropyl alpha- cyclodextrin, hydroxypropyl beta-cyclodextrin, methylated-alpha-cyclodextrin, methylated-beta-cyclodextrin, cyclodextrin glycerol ether, and mixtures thereof.
  • cyclodextrins absorb body malodors more broadly by complexing with a wider range of odoriferous molecules having a wider range of molecular sizes.
  • the levels of cyclodextrin are from about 0.1% to about 5%, preferably from about 0.2% to about 4%, more preferably from about 0.3% to about 3%, most preferably from about 0.4% to about 2%, by weight of the composition.
  • Concentrated compositions can also be used.
  • a concentrated product i.e., when the level of cyclodextrin used is from about 3% to about 5%, it is preferable to dilute the composition before applying to the skin in order to avoid tacky skin feel and/or an undesirable amount of residue.
  • the cyclodextrin is diluted with about 50% to about 2000%, more preferably with about 60% to about 1000%, most preferably with about 75% to about 500%, by weight of the composition of water.
  • cyclodextrins can complex with a wider range of odoriferous molecules having a wider range of molecular sizes.
  • Preferably at least a portion of the cyclodextrins is alpha-cyclodextrin and its derivatives thereof, gamma-cyclodextrin and its derivatives thereof, and/or beta-cyclodextrin and its derivatives thereof, and mixtures thereof.
  • Cyclodextrins particularly preferred for use herein are alpha-cyclodextrin, beta- cyclodextrin, hydroxypropyl alpha-cyclodextrin, hydroxypropyl beta-cyclodextrin, methylated alpha-cyclodextrin, methylated beta-cyclodextrin, and mixtures thereof. More preferred for use herein are alpha-cyclodextrin, beta-cyclodextrin, hydroxypropyl beta- cyclodextrin, methylated beta-cyclodextrin, and mixtures thereof.
  • the composition is preferably used as a hand gel or spray.
  • the composition is not discernible when dry.
  • Typical levels of the odor controlling agent are from about 0.1% to about 10%, preferably from about 0.2% to about 4%, more preferably from about 0.3% to about 3%, most preferably from about 0.4% to about 2%, by weight of the composition.
  • Water soluble metallic salts are also preferred as odor control agent in the composition of the present invention.
  • a water-soluble metallic salt can be present in the deodorizing composition of the present invention to absorb amine and sulfur-containing compounds. Furthermore, they usually do not contribute an odor of their own.
  • the water-soluble metallic salts are selected from the group consisting of copper salts, zinc salts, and mixtures thereof.
  • the preferred zinc salts have been used most often for their ability to ameliorate malodor, e.g., in mouth wash products, as disclosed in U.S. Pat. Nos. 4,325,939, issued Apr. 20, 1982 and 4,469,674, issued Sept. 4, 1983, to N. B. Shah, et al., incorporated herein by reference.
  • U.S. Pat. No. 3,172,817, issued to Leupold, et al discloses deodorizing compositions containing slightly water-soluble salts of an acyl-acetone with a polyvalent metal, including copper and zinc salts. Said patents are incorporated herein by reference.
  • Examples of preferred water-soluble zinc salts are zinc chloride, zinc gluconate, zinc lactate, zinc maleate, zinc salicylate, zinc sulfate, etc. Highly-ionized and soluble zinc salts such as zinc chloride, provide the best source of zinc ions.
  • Examples of preferred copper salts are copper chloride and copper gluconate.
  • Preferred metallic salts are zinc chloride and copper chloride, more preferably zinc chloride.
  • Metallic salts are added to the composition of the present invention typically at a level of from about 0.01% to about 10%, preferably from about 0.2% to about 7%, more preferably from about 0.3% to about 5%, by weight of the composition.
  • the pH of the solution is adjusted to less than about 7, more preferably less than about 6, most preferably, less than about 5, in order to keep the solution clear. Soluble Carbonate and/or Bicarbonate Salts.
  • Water-soluble alkali metal carbonate and/or bicarbonate salts such as sodium bicarbonate, potassium bicarbonate, potassium carbonate, cesium carbonate, sodium carbonate, and mixtures thereof can be added to the composition of the present invention in order to help to control certain acid-type odors.
  • Preferred salts are sodium carbonate monohydrate, potassium carbonate, sodium bicarbonate, potassium bicarbonate, and mixtures thereof.
  • these salts are typically present at a level of from about 0.1% to about 5%, preferably from about 0.2% to about 3%, more preferably from about 0.3% to about 2%, by weight of the composition.
  • incompatible metal salts not be present in the invention.
  • the liquid composition should be essentially free of zinc and other incompatible metal ions, e.g., Ca, Fe, Ba, etc. which form water-insoluble salts. Water-Soluble Ionic Polymers.
  • Water-soluble anionic polymers e.g., polyacrylic acids and their water-soluble salts are useful in the present invention to control certain amine-type odors.
  • Preferred polyacrylic acids and their alkali metal salts have an average molecular weight of less than about 20,000, preferably less than 10,000, more preferably from about 500 to about 5,000.
  • Polymers containing sulfonic acid groups, phosphoric acid groups, phosphonic acid groups, and their water-soluble salts, and mixtures thereof, and mixtures with carboxylic acid and carboxylate groups, are also suitable.
  • Water-soluble polymers containing both cationic and anionic functionalities are also suitable. Examples of these polymers are given in U.S. Pat. 4,909,986, issued March 20, 1990 to N. Kobayashi and A. Kawazoe, incorporated herein by reference. Another example of water-soluble polymers containing both cationic and anionic functionalities is a copolymer of dimethyldiallyl ammonium chloride and acrylic acid, commercially available under the trade name Merquat 280® from Calgon.
  • a water-soluble polymer When a water-soluble polymer is used it is typically present at a level of from about 0.001% to about 3%, preferably from about 0.005% to about 2%, more preferably from about 0.01% to about 1%, and even more preferably from about 0.05% to about 0.5%, by weight of the usage composition.
  • a preferred class of zeolites is characterized as "intermediate" silicate/ aluminate zeolites.
  • the intermediate zeolites are characterized by SiO2 AlO2 molar ratios of less than about 10. Preferably the molar ratio of SiO2 AlO2 ranges from about 2 to about 10.
  • the intermediate zeolites have an advantage over the "high" zeolites.
  • the intermediate zeolites have a higher affinity for amine-type odors, they are more weight efficient for odor absorption because they have a larger surface area, and they are more moisture tolerant and retain more of their odor absorbing capacity in water than the high zeolites.
  • a wide variety of intermediate zeolites suitable for use herein are commercially available as Valfor® CP301-68, Valfor® 300-63, Valfor® CP300-35, and Valfor® CP300-56, available from PQ Corporation, and the CBV100® series of zeolites from Conteka.
  • Zeolite materials marketed under the trade name Abscents® and Smellrite®, available from The Union Carbide Corporation and UOP are also preferred. These materials are typically available as a white powder in the 3-5 micron particle size range.
  • Such materials are preferred over the intermediate zeolites for control of sulfur-containing odors, e.g., thiols, mercaptans.
  • the carbon material suitable for use in the present invention is the material well known in commercial practice as an absorbent for organic molecules and/or for air purification purposes. Often, such carbon material is referred to as "activated” carbon or "activated” charcoal. Such carbon is available from commercial sources under such trade names as; Calgon-Type CPG®; Type PCB®; Type SGL®; Type CAL®; and Type OL®.
  • Odor controlling agents having noticeable color such as activated carbon are not preferred for skin treatment, but can be used for deodorizing and/or sanitizing benefit on other surfaces where appearance is not important.
  • Sanitizing agents useful in the compositions of the present invention can effectively eliminate or reduce the growth of harmful microorganisms that exist on the treated surface.
  • an odor control agent it is preferred that the sanitizing agent is compatible with the odor control agent, i.e., the sanitizing agent does not substantially bind, tie up, complex, interact and/or react with said odor control agent in a way that effectively reduces and/or eliminates the activity of either or both agents.
  • cyclodextrin it is preferred that the sanitizing agent is cyclodextrin-compatible, i.e., it does not substantially complex with the cyclodextrin.
  • Preferred sanitizing actives are selected from alcohol antiseptic, antimicrobial active, and mixtures thereof.
  • compositions of the present invention can contain from about 40% to about 99%, more preferably from about 45% to about 90%, most preferably from about 50% to about 75%, and even more preferably from about 55% to about 70% of an alcohol antiseptic or mixtures thereof.
  • suitable alcohol antiseptics include, but are not limited to, ethanol, n-propanol and isopropanol or mixtures thereof.
  • Particularly preferred alcohol antiseptic for use herein is ethanol.
  • Antimicrobial Agent Antimicrobial active is useful in providing sanitizing benefit herein. The antimicrobial active preferably should be compatible with the odor controlling agent.
  • the antimicrobial active is preferably cyclodextrin- compatible, i.e., not substantially forming complexes with the cyclodextrin in the composition.
  • the free, uncomplexed antimicrobial, e.g., antibacterial, active provides an optimum antibacterial performance.
  • Fast acting Antimicrobial Agent Fast acting antimicrobials are preferred for use in the present invention.
  • fast acting antimicrobial means the antimicrobial or antimicrobial combination is effective, at the concentration employed, to kill or inactivate microorganisms, for example, bacteria, viruses, or fungi, within about 5 minutes, preferably within about 1 minute, more preferably within about 30 seconds, and even more preferably within about 20 seconds.
  • suitable fast acting antimicrobial agents include, but are not limited to, quaternary compounds such as benzalkonium chloride and benzethonium chloride, acetic acid solutions, glutaral, halazone, chlorophene, zinc pyrithione, thymol, thimerosal, hexachlorophene, mefenide, nonoxynol-9, octoxynol-9, salicylic acid, selenium sulfide, silver nitrate, silver sulfadiazine, zinc sulfate, hydrogen peroxide, cetylpeyridinium chloride, formaldehyde, gentian violet, hexylresocinol, biguanide compounds, such as chlorhexidine salts; phenol compound such as cresol; iodine compounds such as povidone-iodine; and pigment compounds such as acrinol, salts thereof and mixtures thereof.
  • quaternary compounds such as benzal
  • Biguanides can function as disinfectants/sanitizers as well as finish product preservatives, and are useful in the compositions of the present invention, including 1 , l'-hexamethylene bis(5-(p-chlorophenyl)biguanide), commonly known as chlorhexidine, and its salts, e.g., with hydrochloric, acetic and gluconic acids.
  • the digluconate salt is highly water-soluble, about 70% in water, and the diacetate salt has a solubility of about 1.8% in water.
  • chlorhexidine When chlorhexidine is used as a sanitizer in the present invention it is typically present at a level of from about 0.001% to about 0.4%, preferably from about 0.002% to about 0.3%, and more preferably from about 0.05% to about 0.2%, by weight of the composition. In some cases, a level of from about 1% to about 2% may be needed for virucidal activity.
  • Other useful biguanide compounds include Cosmoci® CQ®, Vantocil® IB, including poly (hexamethylene biguanide) hydrochloride.
  • Other useful cationic antimicrobial agents include the bis-biguanide alkanes.
  • Usable water soluble salts of the above are chlorides, bromides, sulfates, alkyl sulfonates such as methyl sulfonate and ethyl sulfonate, phenylsulfonates such as p-methylphenyl sulfonates, nitrates, acetates, gluconates, and the like.
  • quaternary compounds can also be used as fast acting antimicrobial actives in compositions of the present invention.
  • useful quaternary compounds include: (1) benzalkonium chlorides and/or substituted benzalkonium chlorides such as commercially available Barquat® (available from Lonza), Maquat® (available from Mason), Variquat® (available from Witco/Sherex), and Hyamine® (available from Lonza); (2) di(C 6 -C ⁇ )alkyl di short chain (C ⁇ - 4 alkyl and/or hydroxyalkyl) quaternary such as Bardac® products of Lonza, (3) N-(3- chloroallyl) hexaminium chlorides such as Dowicide® and Dowicil® available from Dow; (4) benzethonium chloride such as Hyamine® 1622 from Rohm & Haas; (5) methylbenzethonium chloride represented by Hyamine® 10X supplied by Rohm & Haas, (6) cety
  • dialkyl quaternary compounds are di(C 8 -C ⁇ 2 )dialkyl dimethyl ammonium chloride, such as didecyldimethylammonium chloride (Bardac 22), and dioctyldimethylammonium chloride (Bardac 2050).
  • Typical concentrations for biocidal effectiveness of these quaternary compounds range from about 0.001% to about 0.8%, preferably from about 0.005% to about 0.3%, more preferably from about 0.01% to about 0.2%, and even more preferably from about 0.03% to about 0.1%, by weight of the composition.
  • Water-soluble antimicrobial actives useful in the present invention are those that have a solubility in water of at least about 0.3 g per 100 ml of water, i.e., greater than about 0.3% at room temperature, preferably greater than about 0.5% at room temperature.
  • Antimicrobial actives with a water-solubility of less than about 0.3% and a molecular structure that readily fits into the the structural cavity of the odor controlling agent have a greater tendency to form inclusion complexes with the odor controlling agent, thus rendering the antimicrobial active and odor controlling agent less effective.
  • antimicrobial actives such as short chain alkyl esters of p-hydroxybenzoic acid, commonly known as parabens; N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl) urea, also known as 3,4,4'- trichlorocarbanilide or triclocarban; 2,4,4'-trichloro-2'-hydroxy diphenyl ether, commonly known as triclosan are not preferred, because they are relatively ineffective when used in conjunction with cyclodextrin.
  • these antimicrobial actives with poor water solubility can be very effective in conjunction with some other odor cotrol agents, and are preferred in such cases.
  • compositions of the present invention additionally containing antimicrobial materials, e.g., antibacterial halogenated compounds and aromatic alcohols, and mixtures thereof.
  • antimicrobial materials e.g., antibacterial halogenated compounds and aromatic alcohols, and mixtures thereof.
  • concentrations for biocidal effectiveness of these antimicrobial compounds range from about 0.001% to about 1%, preferably from about 0.005% to about 0.3%, more preferably from about 0.01% to about 0.2%, and even more preferably from about 0.03% to about 0.1%, by weight of the usage composition.
  • Halogenated Compounds Preferred antimicrobial actives for use in the present invention are halogenated compounds. Some non-limiting examples of halogenated compounds suitable for use in the present invention are: 5-bromo-5-nitro-l,3-dioxane, available under the trade name Bronidox L from
  • Bronidox L has a solubility of about 0.46% in water.
  • Bronopol has a solubility of about 25% in water.
  • l,l'-hexamethylene bis(5-(p-chlorophenyl)biguanide), commonly known as chlorhexidine, and its salts, e.g., with acetic and gluconic acids can be used as a preservative in the present invention.
  • the digluconate salt is highly water-soluble, about
  • the diacetate salt has a solubility of about 1.8% in water.
  • l,l,l-Trichloro-2-methylpropan-2-ol commonly known as chlorobutanol, with water solubility of about 0.8%.
  • 4,4'- (Trimethylenedioxy)bis-(3-bromobenzamidine) diisethionate, or dibromopropamidine with water solubility of about 50%.
  • Aromatic Alcohols Some non-limiting examples of aromatic alcoholic antibacterial compounds suitable for use in the present invention are:
  • 4,4'-diamidino- , ⁇ -diphenoxypropane diisethionate commonly known as propamidine isethionate, with water solubility of about 16%
  • 4,4'-diamidino- ⁇ , ⁇ - diphenoxyhexane diisethionate commonly known as hexamidine isethionate.
  • Typical effective level of these salts is about 0.0002% to about 0.05% by weight of the usage composition.
  • benzyl alcohol with a water solubility of about 4%
  • 2- phenylethanol with a water solubility of about 2%
  • 2-phenoxyethanol with a water solubility of about 2.67%
  • 2,4-dichlorobenzyl alcohol 2-phenoxyethanol
  • phenoxyisopropanol 3-(4-chlorophenoxy)-l,2-propane diol.
  • Mixtures of the preferred aromatic alcoholic compounds can also be used as the antimicrobial active in the present invention.
  • the above described sanitizing agents can also be used.
  • the above mentioned alcohol antiseptics are preferably incorporated for additional sanitization at concentration levels of from about 5% to about 50%, preferably from about 10% to about 25%.
  • the personal cleansing compositions of the present invention comprise from about 5% to about 70%, preferably from about 10% to about 50%, more preferably from about 20% to about 50%, by weight of water. Any suitable source of water can be used. Preferred for use herein is deionized water or distilled water.
  • emollients can be added to the composition of the present invention.
  • Suitable emollients include, but are not limited to, volatile and nonvolatile silicone oils, highly branched hydrocarbons, and non-polar carboxylic acid and alcohol esters, and mixtures thereof.
  • Nonlimiting examples of such emollients include petrolatum, mineral oil, micro-crystalline wax, polyalkene, paraffin, cerasin, ozokerite, polyethylene and perhydrosqualene, dimethicones, cyclomethicones, dimethiconols, alkyl siloxane, polymethylsiloxane and methylphenylpolysiloxane and mixtures thereof.
  • polyols such as polyethylene glycol.
  • More preferred emollients are those that are compatible with the odor controlling agent.
  • the term "compatible,” as used herein, means that material should not substantially form complexes with the odor controlling agent.
  • substantially form complexes means to form complexes to the extent that the performance of the odor controlling agent is diminished or reduced.
  • Emollients useful in the instant invention are further described in U.S. Patents 5,783,536; 5,674,511; and 4,919,934, to Deckner et al., issued Apr. 24 1990, all of which are herein incorporated by reference in their entirety.
  • Emollients can typically comprise in total from about 0.5% to about 50%, preferably from about 0.5% to about 25%, and more preferably from about 0.5% to about 10% by weight of the compositions useful in the present invention.
  • Thickener preferably from about 0.5% to about 25%, and more preferably from about 0.5% to about 10% by weight of the compositions useful in the present invention.
  • thickeners can be added to the composition of the present invention.
  • Thickener is used to prepare the preferred gel compositions of the present invention.
  • a gel composition can be applied on a non-horizontal surface and retained in place without running. This way, more actives can be applied per surface area for a better and more efficacious performance on the targeted surface, as compared to non-gel low viscosity composition which cannot be effectively retained on non-horizontal targeted surface if more than a minimum amount of composition is applied.
  • the thickener is an essential ingredient when a sanitizing and deodorizing composition of the current invention contains odor control agent particulates such as zeolite, silica molecular sieves, silica gel, alumina, kieselguhr, fullers earth, activated charcoal or activated carbon.
  • odor control agent particulates such as zeolite, silica molecular sieves, silica gel, alumina, kieselguhr, fullers earth, activated charcoal or activated carbon.
  • the thickener helps to uniformly suspend and disperse the odor control agent particulates in the composition, and to consistently apply the compositon on the target surface for an effective and efficacious sanitizing and deodorizing performance.
  • a gel composition can retain the volatile alcohol antiseptic better, to provide a longer lasting and more effective performance.
  • the thickener useful in the present invention should be compatible with the odor controlling agent
  • the binding and/or interaction between the thickener and the odor controlling agent can diminish both the ability of the odor controlling agent to absorb odors and the ability of the thickener to provide high viscosity.
  • the preferred thickener is cyclodextrin-compatible, i.e., not complexing with the cyclodextrin.
  • suitable thickeners include, but are not limited to, naturally-occurring polymeric materials such as sodium alginate, xanthan gum, quince seed extract, tragacanth gum, starch and the like, semi-synthetic polymeric materials such as cellulose ethers (e.g.
  • Inorganic thickeners may also be used such as aluminium silicates, such as, for example, bentonites. Thickeners which can complex with cyclodextrin, such as polyethylene glycol stearate and distearate, are not preferred in cyclodextrin-containing compositions.
  • hydrophilic gelling agents such as the acrylic acid/ethyl acrylate copolymers and the carboxyvinyl polymers sold by the B.F. Goodrich Company under the trademark of Carbopol® resins.
  • These resins consist essentially of crosslinked polyacrylic acid in the form of colloidally water-soluble polyalkenyl polyether crosslinked polymer of acrylic acid crosslinked with from 0.75% to 2.00% of a crosslinking agent such as polyallyl sucrose or polyallyl pentaerythritol.
  • a crosslinking agent such as polyallyl sucrose or polyallyl pentaerythritol.
  • Examples include Carbopol 934,Carbopol 940, Carbopol 950, Carbopol 980. Carbopol 951 and Carbopol 981.
  • Carbopol 934 is a water-soluble polymer of acrylic acid crosslinked with about 1% of a polyallyl ether of sucrose having an average of about 5.8 allyl groups for each sucrose molecule. Also suitable for use herein are carbomers sold under the Trade Name -Carbopol Ultrez 10, Carbopol ETD2020, Carbopol 1382, and Carbopol 1342. Combination of the above polymers are also useful herein. Materials which can complex with cyclodextrin, such as Pemulen TR 1, are not preferred.
  • Hydrophobically modified celluloses are also suitable for use herein. These celluloses are described in detail in U.S. Patents 4,228,277 and 5,104,646, both of which are herein incorporated by reference in their entirety. Preferred for use herein are carbomers such as Carbopol 980, Carbopol 940,
  • Carbopol Ultrez 10 Carbopol ETD2020 and mixtures thereof.
  • the thickener is preferably present at a concentration of from about 0.01% to about 10%, preferably from about 0.1% to about 5%, more preferably from about 0.1% to about 1% and even more preferably from about 0.1% to about 0.5%. Mixtures of the above thickeners may also be used.
  • Low molecular weight polyols with relatively high boiling points, as compared to water, such as ethylene glycol, diethylene glycol, propylene glycol and/or glycerol are preferred optional ingredients for improving odor control performance of the composition of the present invention.
  • the polyols form ternary complexes with the odor controlling agents (e.g., cyclodextrin) and some malodorous molecules to improve their odor controlling properties.
  • the glycol used is glycerin, ethylene glycol, propylene glycol, dipropylene glycol or mixtures thereof, more preferably ethylene glycol and propylene glycol.
  • cyclodextrins prepared by processes that result in a level of such polyols are highly desirable, since they can be used without removal of the polyols.
  • glycol is added to the composition of the present invention at a level of from about 0.01% to about 3%, by weight of the composition, preferably from about 0.05% to about 1%, more preferably from about 0.1% to about 0.5%, by weight of the composition.
  • the preferred weight ratio of low molecular weight polyol to odor controlling agent is from about 2:1,000 to about 20: 100, more preferably from about 3:1,000 to about 15:100, even more preferably from about 5: 1,000 to about 10:100, and most preferably from about 1 :100 to about 7:100. Mixtures of the above described polyols can also be used.
  • the skin sanitizing compositions of the present invention may also contain sensates.
  • sensates can be present at a level of from about 0.01% to about 10%,typically from about 0.1% to about 5%, and preferably from about
  • the level is selected to provide the desired level of consumer perceived sensation and can be modified as desired.
  • Suitable sensate technologies include menthol, eucalyptus, 3 -1-menthoxy propane- 1,2-diol, N-substituted-p-menthane-
  • 3-carboxamides acyclic carboxamides and mixtures thereof.
  • 3-1-menthoxy propane 1,2-diol is fully described in detail in U.S. Patent 4,459,425, issued July 10, 1984 to Amano et. al, incorporated herein by reference in its entirety.
  • This volatile aromatic is commercially available, being sold by Takasago Perfumery Co., Ltd., Tokyo, Japan.
  • N-substituted-p-menthane-3-carboxamides are fully described in U.S. Patent 4,136,163 to Watson et al., issued January 23, 1979 incorporated herein by reference in its entirety.
  • the most preferred volatile aromatic of this class is N-ethyl-p-menthane-3- carboxamide which is commercially available as WS-3 from Wilkinson Sword Limited.
  • the skin sanitizing and deodorizing compositions of the present invention can optionally provide a "scent signal" in the form of a pleasant odor which signals the removal of malodor.
  • a scent signal in the form of a pleasant odor which signals the removal of malodor.
  • perfume is added as a scent signal, it is added only at very low levels, e.g., from about 0% to about 0.5%, preferably from about 0.001% to about 0.3%, more preferably from about 0.005% to about 0.2%, even more preferably from about 0.01% to about 0.1%, by weight of the sanitizing composition.
  • Perfume can also be added to provide a more intense odor in product and on skin. When stronger levels of perfume are preferred, relatively higher levels of perfume can be added, e.g., up to about 1%, by weight of the sanitizing composition. Any type of perfume can be incorporated into the composition of the present invention. Suitable perfumes are described in U.S. Pat. No. 5,723,420, herein incorporated in its entirety.
  • the perfume is cyclodextrin- compatible in the composition of the present invention.
  • the perfume is compatible with odor controlling agent when it is added at a level wherein even if all of the perfume in the composition were to complex and/or bind/interact with the odor controlling agent, there will still be an effective level of odor controlling agent present in the solution to provide adequate odor control.
  • perfume is typically present at a level wherein less than about 90% of the odor controlling agent complexes with the perfume, preferably less than about 50%, more preferably, less than about 30%, and most preferably, less than about 10%.
  • the odor controlling agent to perfume weight ratio should be greater than about 8:1, preferably greater than about 10:1, more preferably greater than about 20:1, even more preferably greater than 40: 1 and most preferably greater than about 70: 1.
  • Hydrophilic perfume ingredients are preferred perfume ingredients when cyclodextrin is present.
  • the hydrophilic perfume ingredients are more water soluble and have less of a tendency to complex with cyclodextrin.
  • the degree of hydrophilicity of a perfume ingredient can be correlated with its octanol/water partition coefficient P.
  • the octanol/water partition coefficient of a perfume ingredient is the ratio between its equilibrium concentration in octanol and in water. A perfume ingredient with a greater partition coefficient P is considered to be more hydrophobic. Conversely, a perfume ingredient with a smaller partition coefficient P is considered to be more hydrophilic.
  • the partition coefficients of the perfume ingredients normally have high values, they are more conveniently given in the form of their logarithm to the base 10, logP.
  • the preferred perfume hydrophilic perfume ingredients of this invention have logP of about 3.5 or smaller, preferably of about 3.0 or smaller.
  • the logP of many perfume ingredients have been reported; for example, the Pomona92 database, available from Daylight Chemical Information Systems, Inc. (Daylight CIS), Irvine, California, contains many, along with citations to the original literature. However, the logP values are most conveniently calculated by, e.g., the "CLOGP” program, also available from Daylight CIS. This program also lists experimental logP values when they are available in the Pomona92 database.
  • the "calculated logP" (ClogP) is determined by the fragment approach of Hansch and Leo (cf, A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C. Hansch, P. G. Sammens, J. B. Taylor and C. A. Ramsden, Eds., p.
  • the fragment approach is based on the chemical structure of each perfume ingredient, and takes into account the numbers and types of atoms, the atom connectivity, and chemical bonding.
  • the ClogP values which are the most reliable and widely used estimates for this physicochemical property, are used instead of the experimental logP values in the selection of perfume ingredients which are useful in the present invention.
  • Non-limiting examples of the more preferred hydrophilic perfume ingredients are allyl amyl glycolate, allyl caproate, amyl acetate, amyl propionate, anisic aldehyde, anisyl acetate, anisole, benzaldehyde, benzyl acetate, benzyl acetone, benzyl alcohol, benzyl formate, benzyl iso valerate, benzyl propionate, beta gamma hexenol, calone, camphor gum, laevo-carveol, d-carvone, laevo-carvone, cinnamic alcohol, cinnamyl acetate, cinnamic alcohol, cinnamyl formate, cinnamyl propionate, cis-jasmone, cis-3- hexenyl acetate, coumarin, cuminic alcohol, cuminic aldehyde, Cyclal C
  • Nonlimiting examples of other preferred hydrophilic perfume ingredients which can be used in perfume compositions of this invention are allyl heptoate, amyl benzoate, anethole, benzophenone, carvacrol, citral, citronellol, citronellyl nitrile, cyclohexyl ethyl acetate, cymal, 4-decenal, dihydro isojasmonate, dihydro myrcenol, ethyl methyl phenyl glycidate, fenchyl acetate, florhydral, gamma- nonalactone, geranyl formate, geranyl nitrile, hexenyl isobutyrate, alpha-ionone, isobornyl acetate, isobutyl benzoate, isononyl alcohol, isomenthol, para-isopropyl phenylacetaldehyde, isopulegol, linalyl
  • the odor detection threshold of an odorous material is the lowest vapor concentration of that material which can be olfactorily detected.
  • the odor detection threshold and some odor detection threshold values are discussed in, e.g., "Standardized Human Olfactory Thresholds", M. Devos et al, IRL Press at Oxford University Press, 1990, and "Compilation of Odor and Taste Threshold Values Data", F. A. Fazzalari, editor, ASTM Data Series DS 48A, American Society for Testing and Materials, 1978, both of said publications being incorporated by reference.
  • perfume ingredients that have low odor detection threshold values can improve perfume odor character, even though they are not as hydrophilic as perfume ingredients of group (a) which are given hereinabove.
  • Perfume ingredients that do not belong to group (a) above, but have a significantly low detection threshold, useful in the composition of the present invention are selected from the group consisting of ambrox, bacdanol, benzyl salicylate, butyl anthranilate, cetalox, damascenone, alpha-damascone, gamma- dodecalactone, ebanol, herbavert, cis-3-hexenyl salicylate, alpha-ionone, beta-ionone, alpha-isomethylionone, lilial, methyl nonyl ketone, gamma-undecalactone, undecylenic aldehyde, and mixtures thereof.
  • These materials are preferably present at low levels in addition to the hydrophilic ingredients of group (a), typically less than about 20%, preferably less than about 15%, more preferably less than about 10%, by weight of the total perfume compositions of the present invention. However, only low levels are required to provide an effect.
  • hydrophilic ingredients of group (a) that have a significantly low detection threshold, and are especially useful in the composition of the present invention.
  • these ingredients are allyl amyl glycolate, anethole, benzyl acetone, calone, cinnamic alcohol, coumarin, cyclogalbanate, Cyclal C, cymal, 4-decenal, dihydro isojasmonate, ethyl anthranilate, ethyl-2-methyl butyrate, ethyl methylphenyl glycidate, ethyl vanillin, eugenol, flor acetate, florhydral, fructone, frutene, heliotropin, keone, indole, iso cyclo citral, isoeugenol, lyral, methyl heptine carbonate, linalool, methyl anthranilate, methyl dihydrojasmonate, methyl is
  • the optional surfactant provides a low surface tension that permits the composition to spread readily and more uniformly on skin surfaces and other surfaces and improve cleaning.
  • the surfactant for use in the composition of the present invention should be compatible with the odor controlling agent.
  • Nonlimiting examples of surfactants suitable for use in the present invention in the presence of cyclodextrin include, but are not limited to, selected silicone surfactants and block copolymers of ethylene oxide and propylene oxide.
  • a preferred class of surfactants are the polyalkylene oxide polysiloxanes having a dimethyl polysiloxane hydrophobic moiety and one or more hydrophilic polyalkylene side chains, and having the general formula:
  • R 1 (CH3)2SiO— [(CH3)2SiO] ir — [(CIIs R ⁇ SiOJb— Si(CH3)2— R 1 wherein a + b are from about 1 to about 50, preferably from about 3 to about 30 , more preferably from about 10 to about 25, and each R is the same or different and is selected from the group consisting of methyl and a poly(ethyleneoxide/propyleneoxide) copolymer group having the general formula:
  • each polyalkylene oxide polysiloxane has at least one R! group being a poly(ethyleneoxide/propyleneoxide) copolymer
  • Nonlimiiing examples of this type of surfactants are the Silwet® surfactants which are available OSi Specialties, Inc., Danbury, Connecticut.
  • Representative Silwet surfactants are as follows.
  • the molecular weight of the polyalkyleneoxy group (R!) is less than or equal to about 10,000.
  • the molecular weight of the polyalkyleneoxy group is less than or equal to about 8,000, and most preferably ranges from about 300 to about 5,000.
  • the values of c and d can be those numbers which provide molecular weights within these ranges.
  • the number of ethyl eneoxy units (-C2H4O) in the polyether chain (R*) must be sufficient to render the polyalkylene oxide polysiloxane water dispersible or water soluble. If propyleneoxy groups are present in the polyalkylenoxy chain, they can be distributed randomly in the chain or exist as blocks.
  • Preferred Silwet surfactants are L- 7600, L-7602, L-7604, L-7605, L-7622, L-7657, and mixtures thereof.
  • polyalkylene oxide polysiloxane surfactants can also provide other benefits, such as lubricity and skin softness.
  • Block polyoxyethylene-polyoxypropylene polymeric surfactants Suitable block polyoxyethylene- polyoxypropylene polymeric surfactants, that are compatible with most odor controlling agents, e.g., cyclodextrin, include those based on ethylene glycol, propylene glycol, glycerol, trimethylolpropane and ethylenediamine as the initial reactive hydrogen compound.
  • certain odor controlling agents e.g., cyclodextrin.
  • Certain of the block polymer surfactant compounds designated Pluronic® and Tetronic® by the BASF-Wyandotte Corp., Wyandotte, Michigan, are readily available.
  • suitable surfactants of this type include:
  • Pluronic Surfactants with the general formula H(EO) n (PO) m (EO) n H, wherein EO is an ethylene oxide group, PO is a propylene oxide group, and n and m are numbers that indicate the average number of the groups in the surfactants.
  • Pluronic surfactants are: N Naammee A Avveerraaggee MMWW Average n Average m
  • Tetronic surfactants are:
  • Reverse Pluronic and Tetronic surfactants have the following general formulas: Reverse Pluronic Surfactants H(PO) m (EO) n (PO) m H Reverse Tetronic Surfactants
  • Reverse Pluronic surfactants are: Reverse Pluronic surfactants:
  • Typical levels of surfactants in the skin sanitizing and odor control compositions are from about 0.01% to about 5%, preferably from about 0.03% to about 2%, more preferably from about 0.05% to about 1%, by weight of the composition.
  • solubilized, water-soluble, antimicrobial preservative can be added to the composition of the present invention if the sanitizing agent is not sufficient, or is not present, to provide adequate preservative activity.
  • additional preservative activity is particularly useful when using certain organic odor controlling agents, especially cyclodextrins - compounds of varying numbers of glucose units - which can become prime breeding ground for certain microorganisms, especially when in aqueous compositions.
  • a broad spectrum preservative e.g., one that is effective on both bacteria (both gram positive and gram negative) and fungi.
  • a limited spectrum preservative e.g., one that is only effective on a single group of microorganisms, e.g., fungi
  • a broad spectrum preservative or other limited spectrum preservatives with complimentary and/or supplementary activity can be used in combination with a broad spectrum preservative or other limited spectrum preservatives with complimentary and/or supplementary activity.
  • a mixture of broad spectrum preservatives can also be used.
  • aminocarboxylate chelators may be used alone or as potentiators in conjunction with other preservatives.
  • chelators which include, e.g., ethyl enediaminetetraacetic acid (EDTA), hydroxye hylenediaminetriacetic acid, diethylenetriaminepentaacetic acid, and other aminocarboxylate chelators, and mixtures thereof, and their salts, and mixtures thereof, can increase preservative effectiveness against Gram-negative bacteria, especially Pseudomonas species.
  • EDTA ethyl enediaminetetraacetic acid
  • hydroxye hylenediaminetriacetic acid hydroxye hylenediaminetriacetic acid
  • diethylenetriaminepentaacetic acid diethylenetriaminepentaacetic acid
  • other aminocarboxylate chelators and mixtures thereof, and their salts, and mixtures thereof, can increase preservative effectiveness against Gram-negative bacteria, especially Pseudomonas species.
  • Antimicrobial preservatives useful in the present invention include biocidal compounds, i.e., substances that kill microorganisms, or biostatic compounds, i.e., substances that inhibit and/or regulate the growth of microorganisms.
  • Preferred antimicrobial preservatives are those that are water-soluble and are effective at low levels because the organic preservatives can form inclusion complexes with the cyclodextrin molecules and compete with the malodorous molecules for the cyclodextrin cavities, thus rendering the cyclodextrins ineffective as odor controlling actives.
  • Water-soluble preservatives useful in the present invention are those that have a solubility in water of at least about 0.3 g per 100 ml of water, i.e., greater than about 0.3% at room temperature, preferably greater than about 0.5% at room temperature.
  • Typical levels of preservative are from about 0.0002% to about 0.2%, preferably from about 0.0003% to about 0.1%, by weight of the composition.
  • Preferred water-soluble preservatives include organic sulfur compounds, halogenated compounds, cyclic organic nitrogen compounds, low molecular weight aldehydes, quaternary ammonium compounds, dehydroacetic acid, phenyl and phenolic compounds, and mixtures thereof.
  • Preferred water-soluble preservatives for use in the present invention are organic sulfur compounds.
  • organic sulfur compounds suitable for use in the present invention are: (a) 3-Isothiazolone Compounds
  • a preferred preservative is an antimicrobial, organic preservative containing 3-isothiazolone groups having the formula:
  • Y is an unsubstituted alkyl, alkenyl, or alkynyl group of from about 1 to about 18 carbon atoms, an unsubstituted or substituted cycloalkyl group having from about a 3 to about a 6 carbon ring and up to 12 carbon atoms, an unsubstituted or substituted aralkyl group of up to about 10 carbon atoms, or an unsubstituted or substituted aryl group of up to about 10 carbon atoms;
  • Rl is hydrogen, halogen, or a (Ci -C4) alkyl group; and R2 is hydrogen, halogen, or a (C1 -C4) alkyl group.
  • Rl and R ⁇ should not both be hydrogen. Salts of these compounds formed by reacting the compound with acids such as hydrochloric, nitric, sulfuric, etc. are also suitable.
  • a preferred preservative is a water-soluble mixture of 5-chloro-2-mefhyl-4-isothiazolin-3- one and 2-methyl-4-isothiazolin-3-one, more preferably a mixture of about 77% 5-chloro- 2-methyl-4-isothiazolin-3-one and about 23% 2-methyl-4-isothiazolin-3-one, a broad spectrum preservative available as a 1.5% aqueous solution under the trade name Kathon® CG by Rohm and Haas Company.
  • Kathon® When Kathon® is used as the preservative in the present invention it is present at a level of from about 0.0001% to about 0.01%, preferably from about 0.0002% to about 0.005%, more preferably from about 0.0003% to about 0.003%, most preferably from about 0.0004% to about 0.002%, by weight of the composition.
  • isothiazolins include l,2-benzisothiazolin-3-one, available under the trade name Proxel® products; and 2-methyl-4,5-trimethylene-4-isothiazolin-3-one, available under the trade name Promexal®. Both Proxel and Promexal are available from Zeneca. They have stability over a wide pH range (i.e., 4-12). Neither contain active halogen and are not formaldehyde releasing preservatives.
  • Proxel and Promexal are effective against typical Gram negative and positive bacteria, fungi and yeasts when used at a level from about 0.001% to about 0.5%, preferably from about 0.005% to about 0.05%, and most preferably from about 0.01% to about 0.02% by weight of the usage composition.
  • Another preferred organic sulfur preservative is sodium pyrithione, with water solubility of about 50%.
  • sodium pyrithione is typically present at a level of from about 0.0001% to about 0.01%, preferably from about 0.0002% to about 0.005%, more preferably from about 0.0003% to about 0.003%, by weight of the usage composition.
  • Mixtures of the preferred organic sulfur compounds can also be used as the preservative in the present invention.
  • Preferred preservatives for use in the present invention are halogenated compounds.
  • Some non-limiting examples of halogenated compounds suitable for use in the present invention are:
  • Bronidox L® has a solubility of about 0.46% in water.
  • Bronidox is typically present at a level of from about 0.0005% to about 0.02%, preferably from about 0.001% to about 0.01%, by weight of the usage composition; 2-bromo-2-nitropropane-l,3-diol, available under the trade name Bronopol® from Inolex can be used as the preservative in the present invention.
  • Bronopol has a solubility of about 25% in water.
  • Bronopol When Bronopol is used as the preservative in the present invention it is typically present at a level of from about 0.002% to about 0.1%, preferably from about 0.005% to about 0.05%, by weight of the usage composition; l,l'-hexamethylene bis(5-(p-chlorophenyl)biguanide), commonly known as chlorhexidine, and its salts, e.g., with acetic and gluconic acids can be used as a preservative in the present invention.
  • the digluconate salt is highly water-soluble, about 70% in water, and the diacetate salt has a solubility of about 1.8% in water.
  • chlorohexidine When used as the preservative in the present invention it is typically present at a level of from about 0.0001% to about 0.04%, preferably from about 0.0005% to about 0.01%, by weight of the usage composition.
  • l,l,l-Trichloro-2-methylpropan-2-ol commonly known as chlorobutanol, with water solubility of about 0.8%; a typical effective level of chlorobutanol is from about 0.1% to about 0.5%, by weight of the usage composition.
  • dibromopropamidine 4,4'- (Trimethylenedioxy)bis-(3-bromobenzamidine) diisethionate, or dibromopropamidine, with water solubility of about 50%; when dibromopropamidine is used as the preservative in the present invention it is typically present at a level of from about 0.0001% to about 0.05%, preferably from about 0.0005% to about 0.01% by weight of the usage composition.
  • Mixtures of the preferred halogenated compounds can also be used as the preservative in the present invention.
  • Preferred water-soluble preservatives for use in the present invention are cyclic organic nitrogen compounds.
  • Some non-limiting examples of cyclic organic nitrogen compounds suitable for use in the present invention are: (a) Imidazolidinedione Compounds
  • Preferred preservatives for use in the present invention are imidazolidione compounds.
  • Some non-limiting examples of imidazolidinedione compounds suitable for use in the present invention are:
  • DMDM hydantoin 1 ,3-bis(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione, commonly known as dimethyloldimethylhydantoin, or DMDM hydantoin, available as, e.g., Glydant® from Lonza.
  • DMDM hydantoin has a water solubility of more than 50% in water, and is mainly effective on bacteria. When DMDM hydantoin is used, it is preferable that it be used in combination with a broad spectrum preservative such as Kathon CG®, or formaldehyde.
  • a preferred mixture is about a 95:5 DMDM hydantoin to 3-butyl-2- iodopropynylcarbamate mixture, available under the trade name Glydant Plus® from Lonza.
  • Glydant Plus® When Glydant Plus® is used as the preservative in the present invention, it is typically present at a level of from about 0.005% to about 0.2% by weight of the usage composition;
  • N-[l,3-bis(hydroxymethyl)2,5-dioxo-4-imidazolidinyl]-N,N'-bis(hydroxymethyl) urea commonly known as diazolidinyl urea, available under the trade name Germall II® from Sutton Laboratories, Inc. (Sutton) can be used as the preservative in the present invention.
  • Germall II® When Germall II® is used as the preservative in the present invention, it is typically present at a level of from about 0.01% to about 0.1% by weight of the usage composition; N,N"-methylenebis ⁇ N'-[ 1 -(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl]urea ⁇ , commonly known as imidazolidinyl urea, available, e.g., under the trade name Abiol® from 3V-Sigma, Unicide U-13® from Induchem, Germall 115® from (Sutton) can be used as the preservative in the present invention.
  • imidazolidinyl urea When imidazolidinyl urea is used as the preservative, it is typically present at a level of from about 0.05% to about 0.2%, by weight of the usage composition.
  • Another preferred water-soluble cyclic organic nitrogen preservative is polvmethoxy bicyclic oxazolidine, having the general formula:
  • n has a value of from about 0 to about 5, and is available under the trade name Nuosept® C from Hiils America. When Nuosept® C is used as the preservative, it is typically present at a level of from about 0.005% to about 0.1%, by weight of the usage composition.
  • a preferred preservative for use in the present invention is formaldehyde.
  • Formaldehyde is a broad spectrum preservative which is normally available as formalin which is a 37% aqueous solution of formaldehyde.
  • typical levels are from about 0.003% to about 0.2%, preferably from about 0.008% to about 0.1%. more preferably from about 0.01% to about 0.05%), by weight of the usage composition, (b) Glutaraldehyde
  • a preferred preservative for use in the present invention is glutaraldehyde.
  • Glutaraldehyde is a water-soluble, broad spectrum preservative commonly available as a 25% or a 50% solution in water.
  • glutaraldehyde is typically present at a level of from about 0.005% to about 0.1%, preferably from about 0.01% to about 0.05%, by weight of the usage composition.
  • Preferred preservatives for use in the present invention are cationic and/or quaternary compounds.
  • Such compounds include polyaminopropyl biguanide, also known as polyhexamethylene biguanide having the general formula:
  • Polyaminopropyl biguanide is a water-soluble, broad spectrum preservative which is available as a 20% aqueous solution available under the trade name Cosmocil CQ® from ICI Americas, Inc., or under the trade name Mikrokill® from Brooks, Inc.
  • l-(3-Chlorallyl) -3,5,7-triaza-l- azoniaadamantane chloride available, e.g., under the trade name Dowicil 200 from Dow Chemical, is an effective quaternary ammonium preservative; it is freely soluble in water; however, it has the tendency to discolor (yellow), therefore it is not highly preferred. Mixtures of the preferred quaternary ammonium compounds can also be used as the preservative in the present invention.
  • quaternary ammonium compounds When quaternary ammonium compounds are used as the preservative in the present invention, they are typically present at a level of from about 0.005% to about 0.2%, preferably from about 0.01% to about 0.1%, by weight of the usage composition.
  • Dehydroacetic Acid preferably from about 0.01% to about 0.1%, by weight of the usage composition.
  • a preferred preservative for use in the present invention is dehydroacetic acid.
  • Dehydroacetic acid is a broad spectrum preservative preferably in the form of a sodium or a potassium salt so that it is water-soluble. This preservative acts more as a biostatic preservative than a biocidal preservative.
  • dehydroacetic acid is typically used at a level of from about 0.005% to about 0.2%, preferably from about 0.008% to about 0.1%, more preferably from about 0.01% to about 0.05%, by weight of the usage composition.
  • phenyl and phenolic compounds suitable for use in the present invention are:
  • 4,4'-diamidino- ⁇ , ⁇ -diphenoxypropane diisethionate commonly known as propamidine isethionate, with water solubility of about 16%
  • 4,4'-diamidino- ⁇ , ⁇ - diphenoxyhexane diisethionate commonly known as hexamidine isethionate.
  • Typical effective level of these salts is about 0.0002% to about 0.05% by weight of the usage composition.
  • benzyl alcohol with a water solubility of about 4%
  • 2- phenylethanol with a water solubility of about 2%
  • 2-phenoxyethanol with a water solubility of about 2.67%
  • typical effective level of these phenyl and phenoxy alcohol is from about 0.1% to about 0.5%, by weight of the usage composition.
  • the preservatives of the present invention can be used in mixtures in order to control a broad range of microorganisms.
  • compositions of the present invention can comprise a wide range of optional ingredients.
  • Examples of these functional classes include: abrasives, anti-acne agents, anticaking agents, antioxidants, binders, biological additives, bulking agents, chelating agents, chemical additives, colorants, cosmetic astringents, cosmetic biocides, denaturants, drug astringents, emulsifiers, external analgesics, film formers, fragrance components, humectants, opacifying agents, plasticizers, preservatives, propellants, reducing agents, skin bleaching agents, skin-conditioning agents (humectants, miscellaneous, and occlusive), skin protectants, solvents, foam boosters, hydrotropes, solubilizing agents, suspending agents (nonsurfactant), sunscreen agents, ultraviolet light absorbers, and viscosity increasing agents (aqueous and nonaqueous).
  • Examples of other functional classes of materials useful herein that are well known to one of ordinary skill in the art include solubilizing agents, sequestrants, and keratolytic
  • compositions of the present invention can also be, optionally, incorporated into a insoluble substrate for application to the skin such as in the form of a treated wipe.
  • a insoluble substrate for application to the skin
  • Suitable water insoluble substrate materials and methods of manufacture are described in Riedel, "Nonwoven Bonding Methods and Materials," Nonwoven World (1987); The Encyclopedia Americana, vol. 11, pp. 147-153, vol. 21, pp. 376-383, and vol. 26, pp. 566- 581 (1984); U.S. Patent No. 4,891,227, to Thaman et al., issued January 2, 1990; and U.S. Patent No. 4,891,228 and U.S. Patents 5,686,088 to Mitra et al, issued November 11,1997; U.S. Patent 5,674,591; James et al; issued October 7, 1997; all of which are herein incorporated by reference in their entirety.
  • the skin sanitizing compositions of the present invention are useful for disinfecting and deodorizing the skin.
  • the skin disinfection and deodorizing process involves topically applying to the skin a safe and effective amount of a composition of the present invention.
  • the present invention can be used when cleansing processes requiring soap and water are unavailable or inconvenient.
  • the amount of the composition applied, the frequency of application and the period of use will vary widely depending upon the level of disinfection and deodorization desired, e.g., the degree of microbial contamination and/or degree of malodor.
  • Typical amounts of skin sanitizing composition used preferably range from about 0.1 mg/cm ⁇ to about 20 mg/cm ⁇ , more preferably from about 0.5 mg/cm ⁇ to about 10 mg/cm2, and most preferably about 1 mg/ cm ⁇ to about 5 mg/cm2 of skin area to be cleansed.
  • the skin sanitizing compositions of the present invention are used to sanitize and deodorize human and/or animal hands.
  • the present invention also encompasses the method of applying an effective amount of sanitizing and deodorizing compositions of the present invention onto non-skin surfaces, such as household surfaces, e.g., countertops, kitchen surfaces, food preparing surfaces (cutting boards, dishes, pots and pans, and the like); major household appliances, e.g., refrigerators, freezers, washing machines, automatic dryers, ovens, microwave ovens, dishwashers; cabinets; walls; floors; bathroom surfaces, shower curtains; garbage cans and/or recycling bins, and the like.
  • non-skin surfaces such as household surfaces, e.g., countertops, kitchen surfaces, food preparing surfaces (cutting boards, dishes, pots and pans, and the like); major household appliances, e.g., refrigerators, freezers, washing machines, automatic dryers, ovens, microwave ovens, dishwashers; cabinets; walls; floors; bathroom surfaces, shower curtains; garbage cans and/or recycling bins, and the like.
  • the present invention also relates to an article of manufacture comprising a dispensing container containing the deodorizing and sanitizing composition.
  • Said dispensing container can be constructed of any of the conventional material employed in fabricating containers, including, but not limited to: polyethylene; polypropylene; polyacetal; polycarbonate; polyethyleneterephthalate; polyvinyl chloride; polystyrene; blends of polyethylene, vinyl acetate, and rubber elastomer. Other materials can include stainless steel and glass.
  • a preferred container is made of clear material, e.g., polyethylene terephthalate.
  • the dispensing container is a spray dispenser.
  • Said spray dispenser is any of the manually activated means for producing a spray of liquid droplets as is known in .
  • a preferred spray container is made of clear material, e.g., polyethylene terephthalate.
  • the skin sanitizing and/or deodorizing compositions in the following illustrate specific embodiments of the skin sanitizing and/or deodorizing compositions of the present invention, but are not intended to be limiting thereof. Other modifications can be undertaken by the skilled artisan without departing from the spirit and scope of this invention.
  • compositions can be prepared by conventional formulation and mixing techniques.
  • Component amounts are listed as weight percents and exclude minor materials such as diluents, filler, and so forth.
  • the listed formulations therefore, comprise the listed components and any minor materials associated with such components.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • test product was clear and showed improved onion odor control than the control product.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • composition is formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • composition is formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.
  • compositions of the present invention are formed by combining and mixing the ingredients of each column using conventional technology and then applying an appropriate amount of the composition to the skin.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne des compositions aqueuses comprenant un agent désodorisant et des agents d'assainissement de choix servant à désodoriser et à assainir des surfaces cutanées. L'invention concerne également des articles et des procédés de désodorisation et d'assainissement de la peau au moyen des compositions selon l'invention.
PCT/US1999/027684 1998-11-23 1999-11-22 Compositions de desodorisation et d'assainissement de la peau WO2000030599A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000583484A JP2002530313A (ja) 1998-11-23 1999-11-22 皮膚消臭及び衛生化組成物
AU19187/00A AU1918700A (en) 1998-11-23 1999-11-22 Skin deodorizing and sanitizing compositions
EP99962825A EP1131044A1 (fr) 1998-11-23 1999-11-22 Compositions de desodorisation et d'assainissement de la peau

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10950098P 1998-11-23 1998-11-23
US60/109,500 1998-11-23
US09/321,292 1999-05-27
US09/321,292 US6344218B1 (en) 1998-11-23 1999-05-27 Skin deodorizing and santizing compositions

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WO2000030599A1 true WO2000030599A1 (fr) 2000-06-02

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WO2003020231A3 (fr) * 2001-08-31 2003-06-12 Procter & Gamble Composition deodorante
WO2003011350A3 (fr) * 2001-07-27 2003-09-25 Bausch & Lomb Composition et procede permettant d'inhiber la fixation des desinfectants a base de biguanide par du poly(ethylene)
US6926862B2 (en) 2001-06-01 2005-08-09 Kimberly-Clark Worldwide, Inc. Container, shelf and drawer liners providing absorbency and odor control
CN102885697A (zh) * 2011-07-22 2013-01-23 陈进民 一种消炎杀菌型花香水及其制备方法
CN105613633A (zh) * 2015-12-25 2016-06-01 太仓新亚逊生物科技有限公司 一种纯天然冰箱除臭杀菌液
US10555889B2 (en) 2015-07-01 2020-02-11 3M Innovative Properties Company Compositions for spore removal
US11576845B2 (en) 2017-01-04 2023-02-14 3M Innovative Properties Company Methods of removing spores comprising alcohol, acrylate copolymer particles, and a cationic coated article
US11634666B2 (en) 2015-12-22 2023-04-25 3M Innovative Properties Company Methods for spore removal comprising a polysorbate surfactant and cationic antimicrobial mixture

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JP4290562B2 (ja) * 2002-03-01 2009-07-08 高砂香料工業株式会社 冷感組成物、及びこれを配合してなる香料組成物、飲食品、香粧品、トイレタリー製品、入浴剤、並びに医薬品
TW200509893A (en) * 2003-05-28 2005-03-16 Otsuka Pharma Co Ltd A composition for sterilizing and/ or disinfecting
US7422577B2 (en) * 2003-06-27 2008-09-09 Hollister Incorporated Lubricating deodorant for ostomy pouches
JP2006117611A (ja) * 2004-10-25 2006-05-11 Kotoko Sato 遺体化粧メーキング剤及びその用途
ES2969412T3 (es) * 2011-10-17 2024-05-17 Univ California Métodos para evaluar la calidad repelente de materiales orgánicos y métodos y composiciones para repeler artrópodos
CN102839738B (zh) * 2012-08-17 2014-05-21 厦门瑞尔特卫浴科技股份有限公司 一种快速伸缩的喷洗机构
WO2016149567A1 (fr) 2015-03-18 2016-09-22 The Regents Of The University Of California Produits chimiques anti-arthropodes

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6926862B2 (en) 2001-06-01 2005-08-09 Kimberly-Clark Worldwide, Inc. Container, shelf and drawer liners providing absorbency and odor control
WO2003011350A3 (fr) * 2001-07-27 2003-09-25 Bausch & Lomb Composition et procede permettant d'inhiber la fixation des desinfectants a base de biguanide par du poly(ethylene)
WO2003020231A3 (fr) * 2001-08-31 2003-06-12 Procter & Gamble Composition deodorante
CN102885697A (zh) * 2011-07-22 2013-01-23 陈进民 一种消炎杀菌型花香水及其制备方法
US10555889B2 (en) 2015-07-01 2020-02-11 3M Innovative Properties Company Compositions for spore removal
US11634666B2 (en) 2015-12-22 2023-04-25 3M Innovative Properties Company Methods for spore removal comprising a polysorbate surfactant and cationic antimicrobial mixture
CN105613633A (zh) * 2015-12-25 2016-06-01 太仓新亚逊生物科技有限公司 一种纯天然冰箱除臭杀菌液
US11576845B2 (en) 2017-01-04 2023-02-14 3M Innovative Properties Company Methods of removing spores comprising alcohol, acrylate copolymer particles, and a cationic coated article

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AU1918700A (en) 2000-06-13

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