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WO1999003512A2 - Procede de nettoyage de substrats a l'aide de compositions de detergence - Google Patents

Procede de nettoyage de substrats a l'aide de compositions de detergence Download PDF

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Publication number
WO1999003512A2
WO1999003512A2 PCT/US1998/014689 US9814689W WO9903512A2 WO 1999003512 A2 WO1999003512 A2 WO 1999003512A2 US 9814689 W US9814689 W US 9814689W WO 9903512 A2 WO9903512 A2 WO 9903512A2
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WO
WIPO (PCT)
Prior art keywords
substrate
detergent composition
alkyl
mixtures
detergent
Prior art date
Application number
PCT/US1998/014689
Other languages
English (en)
Other versions
WO1999003512A3 (fr
Inventor
Jeffrey Edward Boucher
Denver James Kain
Howard David Hutton
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
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to BR9810775-5A priority Critical patent/BR9810775A/pt
Priority to AU84068/98A priority patent/AU8406898A/en
Priority to JP2000502805A priority patent/JP2001510076A/ja
Priority to CA002297061A priority patent/CA2297061A1/fr
Priority to EP98934579A priority patent/EP1015040A2/fr
Publication of WO1999003512A2 publication Critical patent/WO1999003512A2/fr
Publication of WO1999003512A3 publication Critical patent/WO1999003512A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/12—Microwaves
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/46—Specific cleaning or washing processes applying energy, e.g. irradiation

Definitions

  • the present invention is in the field of detergent compositions, preferably liquid or gel detergents. More specifically, the invention relates to a method for removing soils and sanitizing (significantly reducing microorganism populations) plastics, dishware, countertops, fabric, wood surfaces, and other substrates by applying a light duty detergent composition, preferably a liquid, cream, paste, or gel detergent composition, which preferably comprises non-quaternary surfactants. This method provides enhanced cleaning coupled with sanitizing, disinfecting, or antibacterial action on the treated surfaces.
  • chlorine bleach is effective for stain fighting and for antibacterial action, it is not compatible with a variety of detergent ingredients and does little to actually remove soils from the substrate. Moreover, bleach is consider harsh to many surfaces and to consumer's hands and it has an unpleasant odor.
  • the present invention solves the long-standing need for an inexpensive cleaning system which performs efficiently and effectively under soil load conditions and which provides very good antimicrobial action. This, in turn, can lead to healthier family members which can manifest itself in less sick days, less chance for transmittance of disease and fewer trips to a healthcare provider.
  • the invention herein is a method for sanitizing a microbe containing substrate comprising the steps of: a) contacting the substrate with a detergent composition comprising an effective amount of an antimicrobial agent; b) allowing the detergent composition to remain in contact with the substrate for a sufficient time to significantly reduce the amount of microbes on the substrate.
  • step b) can be carried out in a conventional microwave oven to activate the antimicrobial action of the detergent composition.
  • substrates which can be treated by this method include fabrics, ceramic, porcelain, plastic, dish cloths, cutting boards, surgical/medical equipment, baby bottles, dishware, dentifrice/dentures, wood, food preparation surfaces, sponges, glass, rubber, metal, coated metal (e.g., Teflon®-coated pans) and mixtures thereof.
  • the product can be applied directly to the substrate, sprayed onto the substrate, or spread by an implement (sponge, roller, paper towel, dish cloth, etc.) onto the surface to be treated.
  • an implement sponge, roller, paper towel, dish cloth, etc.
  • the method herein can be employed to kill or reduce the level of viable microbes which may include any various microorganisms, such as bacteria (gram + or -), viruses (enveloped or unenveloped), parasites, fungi/spores, and other typical household germs commonly found on kitchen surfaces.
  • bacteria Gram + or -
  • viruses enveloped or unenveloped
  • parasites fungi/spores
  • the present detergent compositions comprise an "effective amount” or a "soil and sanitizing amount” of a particularly defined antimicrobial agent which is preferably a surfactant.
  • An "effective amount” or “sanitizing amount” of an antimicrobial agent is any amount capable of measurably improving both soil removal from and sanitization of the substrate, i.e., soiled dishware, when it is washed by the consumer. In general, this amount may vary quite widely.
  • the terms “disinfecting”, “disinfection”, “antibacterial”, “germ kill”, and “sanitization” are intended to mean killing microbes commonly found in household kitchens and houses. Examples of various microbes include: germs, bacteria, viruses, parasites, and fungi/spores.
  • the detergent compositions used herein contact the substrate for a sufficient time to significantly reduce the amount of microbes on the substrate.
  • significant reduction it is meant that at least about 50% of the microbes on the substrate are killed or otherwise rendered inactive, preferably the amount of microbes on the substrate is reduced by at least about 90%, and most preferably the amount of microbes on the substrate is reduced by at least about 99.9%.
  • surfactants which are useful antimicrobial agents for use herein include anionic, cationic, nonionic, and amphoteric surfactants.
  • Preferred examples are: alkyl alkoxy sulfates, including alkyl ethoxy sulfates, linear alkyl benzene sulfonates, amine oxides, polyhydroxy fatty acid amides, ethoxylated alcohols, diamines, amides, alkyl polyglucosides, betaines, and mixtures thereof.
  • the antimicrobial agent is a cationic surfactant it is preferred that the cationic surfactant is not a quaternary ammonium surfactant.
  • the detergent compositions of the present invention comprise surfactant from about 1% to about 80%, preferably from about 10% to about 70%, more preferably from about 20% to about 60%, and most preferably from about 30% to about 50%, by weight of the total composition.
  • the "sufficient time” in step b) is at least about 10 seconds, preferably from about 15 seconds to about 2 minutes and more preferably from about 30 seconds to about 1 minute. Longer times, of course, are effective.
  • Microwave ovens suitable for use in the present invention are manufactured by companies such as Litton®, Amana®, Sharp®, General Electric®, and others, and have become ubiquitous in kitchens throughout the industrial world. Microwave ovens can be purchased at any number of department stores, hardware stores and large variety stores, such as K-Mart® and Wal-Mart®.
  • the microwave oven By “operating" the microwave oven it is meant that the sufficient time is selected and the microwave oven is turned on for the selected length of time; in all respects, the manufacturers suggested operating instructions and safety precautions should be followed.
  • the substrate might be warm and require care when removing it from the oven. A cool down period for the substrate may also be desirable.
  • the detergent compositions are preferably applied directly to the substrate with a minimum of water, even more preferably free of added water.
  • the substrate should remain in contact with the detergent for a sufficient time before water is added or before the detergent is rinsed away.
  • the surface to be treated may be prerinsed or wetted before application of the detergent composition herein as long as no standing water remains. In other words, the surface may be damp but not submerged in water.
  • the detergent compositions with the percent surfactant level stated herein have sufficiently high ingredient concentrations to allow for some dilution during use. Of course this depends on the concentration of the active ingredients in the product.
  • the detergent composition is diluted with less than about 10% water, more preferably less than about 30% water and most preferably less than about 50% water.
  • a sink filled with water and dishes and dosed by an average amount of liquid dishwashing detergent product (4 to 7g, with approximately 10-45% surfactant) will have a total product concentration level of less than 1% in the wash water, i.e., diluted by 99% with water. If the washing is conducted in a rubber tub or large bowl sitting in the sink, the total product concentration is only about 5%, i.e., 95% dilution. Even a sponge which has been soaked in water with detergent applied to the sponge's surface will have a detergent product concentration of only about 10%, i.e. 90% dilution.
  • Product/Instructions - This invention also encompasses the inclusion of instructions on the use of the detergent composition with the package containing the detergent compositions herein or with other forms of advertising associated with the sale or use of the detergent compositions.
  • the instructions may be included in any manner typically used by consumer product manufacturing or supply companies. Examples include providing instructions on a label attached to the container holding the composition; on a sheet either attached to the container or accompanying it when purchased; or in advertisements, demonstrations, and/or other written or oral instructions which may by connected to the purchase or use of the detergent compositions.
  • the instructions will include a description of the use of the surfactant containing detergent composition in connection with allowing the detergent to remain in contact with the substrate before the addition of a substantial volume of water or before rinsing.
  • the instructions may additionally include information relating to the length of contact time; the recommended dosage or amount of treating composition to apply to the substrate, if soaking or rubbing is appropriate; the recommended amount of water, if any, to apply to the substrate before and after treatment; other recommended treatment to accompany the detergent application.
  • the present invention embraces a product comprising a detergent composition comprising an effective amount of an antimicrobial agent and instructions for using the detergent composition, the instructions include the steps of: a) contacting a microbe-containing substrate with the detergent composition; and b) allowing the detergent composition to remain in contact with the substrate for a sufficient time to significantly reduce the amount of microbes on the substrate.
  • ingredients - Detersive ingredients or adjuncts optionally included in the instant compositions can include one or more materials for assisting or enhancing cleaning performance, treatment of the substrate to be cleaned, or designed to improve the aesthetics, maintain chemical and physical stability, or ease of manufacture of the compositions.
  • adjuncts which can also be included in compositions of the invention at their conventional art-established levels, generally from 0% to about 20% of the composition, preferably at from about 0.1% to about 10%, include one or more processing aids, polymer thickeners, dyes, fillers, enzymes, alkalinity sources, hydrotropes, stabilizers, perfumes, solvents, carriers, baking soda, carbonates, hydrobenzoic acid, dicarboxylic acid, bleach, divalent ions, dispersant polymers, chelants, builders such as citrate and buffers.
  • the composition preferably has a pH of from about 3 to about 11.5, preferably from about 6 to about 11.
  • the divalent ions when present, are preferably selected from inorganic cations, organic cations and mixtures thereof, and most preferably are selected from Mg2 + , Ca ⁇ + and mixtures thereof.
  • non-surfactant germicides may be included for additional antimicrobial action if they do not adversely interfere with the surfactants used herein.
  • antimicrobials include triclosan, triclocarbon, hydrogen peroxide, other oxygen bleaches, para-chloro-meta-xylenol, iodine/iodophors, selected alcohols, chlorhexidine, phenols, phospholipids, thymol, eugeniol, geraniol, oil of lemon grass, and limonene.
  • Certain quaternary surfactants may also show antimicrobial action and may be included as a secondary germ kill agent.
  • anionic surfactants useful in the present invention are preferably selected from the group consisting of branched alkyl ethoxy sulfates, Cg-Ci g linear alkylbenzene sulfonate, alpha olefin sulfonate, paraffin sulfonates, methyl ester sulfonates, primary, branched-chain and random Cg-C20 al sulfates (AS), the Cg-Ci g secondary (2,3) alkyl sulfates of the formula CH 3 (CH 2 ) X (CHOSO 3 -M + ) CH 3 and CH 3 (CH2) y (CHOSO 3 -M + ) CH2CH 3 where x and (y + 1) are integers of at least about 7, preferably at least about 9, and M is a water-solubilizing cation, especially sodium, unsaturated sulfates such as oleyl sulfate, Cg-C j
  • alkyl ester sulfonates are desirable because they can be made with renewable, non-petroleum resources.
  • Preparation of the alkyl ester sulfonate surfactant component can be effected according to known methods disclosed in the technical literature. For instance, linear esters of Cg-C20 carboxylic acids can be sulfonated with gaseous SO 3 according to "The Journal of the .American Oil Chemists Society," 52 (1975), pp. 323-329. Suitable starting materials would include natural fatty substances as derived from tallow, palm, and coconut oils, etc.
  • the preferred alkyl ester sulfonate surfactant comprises alkyl ester sulfonate surfactants of the structural formula: O R 3 -CH-C-OR 4 SO 3 M wherein R- is a Cg-C20 hydrocarbyl, preferably an alkyl, or combination thereof, R is a Cj-C ⁇ hydrocarbyl, preferably an alkyl, or combination thereof, and M is a soluble salt- forming cation.
  • Suitable salts include metal salts such as sodium, potassium, and lithium salts, and substituted or unsubstituted ammonium salts, such as methyl-, dimethyl, - trimethyl, and quaternary ammonium cations, e.g.
  • R- is CJQ-C IO alkyl
  • R 4 is methyl, ethyl or isopropyl.
  • R 3 is
  • Alkyl sulfate surfactants are another type of surfactant for use herein.
  • alkyl sulfates are water soluble salts or acids of the formula ROSO 3 M wherein R preferably is a C10-C24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a Cio- C20 alkyl component, more preferably a Ci 2 _ C ⁇ alkyl or hydroxyalkyl, and M is H or a cation, e.g., an alkali or alkaline (Group IA or Group IIA) metal cation (e.g., sodium, potassium, lithium, magnesium, calcium), substituted or unsubstituted ammonium cations such as methyl-, dimethyl-, and trimethyl ammonium and quaternary ammonium cations, e.g., tetramethyl-ammonium and dimethyl piperdinium, and cations derived from alkanolamines such as ethanolamine, diethanolamine
  • Alkyl alkoxylated sulfate surfactants are another category of useful anionic surfactant. These surfactants are water soluble salts or acids typically of the formula RO(A) m SO 3 M wherein R is an unsubstituted C10-C24 alkyl or hydroxyalkyl group having a C10-C24 alkyl component, preferably a C12-C20 alkyl or hydroxyalkyl, more preferably Ci2-C ⁇ alkyl or hydroxyalkyl, A is an ethoxy or propoxy unit, m is greater than zero, typically between about 0.5 and about 6, more preferably between about 0.5 and about 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium or substituted- ammonium cation.
  • R is an unsubstituted C10-C24 alkyl or hydroxyalkyl group having a C10-C24
  • Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
  • Exemplary surfactants are C ⁇ -Cjg alkyl polyethoxylate (1.0) sulfate, Cj2-C ⁇ g alkyl polyethoxylate (2.25) sulfate, Ci2-C ⁇ alkyl polyethoxylate (3.0) sulfate, and Ci2-C ⁇ g alkyl polyethoxylate (4.0) sulfate wherein M is conveniently selected from sodium and potassium.
  • Surfactants for use herein can be made from natural or synthetic alcohol feedstocks. Chain lengths represent average hydrocarbon distributions, including branching.
  • anionic surfactants useful for detersive and sanitization purposes can also be included in the compositions hereof.
  • These can include salts (including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di- and triethanolamine salts) of soap, C9-C20 linear alkylbenzene sulphonates, Cg-C22 primary or secondary alkanesulphonates, Cg-C24 olefin sulphonates, sulphonated polycarboxylic acids prepared by sulphonation of the pyrolyzed product of alkaline earth metal citrates, e.g., as described in British patent specification No.
  • alkyl glycerol sulfonates 1,082,179, alkyl glycerol sulfonates, fatty acyl glycerol sulfonates, fatty oleyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, paraffin sulfonates, alkyl phosphates, isothionates such as the acyl isothionates, N-acyl taurates, fatty acid amides of methyl tauride, alkyl succinamates and sulfosuccinates, monoesters of sulfosuccinate (especially saturated and unsaturated C12- Cjg monoesters) diesters of sulfosuccinate (especially saturated and unsaturated C6-C14 diesters), N-acyl sarcosinates, sulfates of alkylpolysaccharides such as the sulfates of alkyl
  • Resin acids and hydrogenated resin acids are also suitable, such as rosin, hydrogenated rosin, and resin acids and hydrogenated resin acids present in or derived from tall oil. Further examples are given in "Surface Active Agents and Detergents" (Vol. I and II by Schwartz, Perry and Berch). A variety of such surfactants are also generally disclosed in U.S. Patent 3,929,678, issued December 30, 1975 to Laughlin, et al. at Column 23, line 58 through Column 29, line 23.
  • Nonionic Detergent Surfactants - Suitable nonionic detergent surfactants are generally disclosed in U.S. Patent 3,929,678, Laughlin et al, issued December 30, 1975, at column 13, line 14 through column 16, line 6, incorporated herein by reference.
  • Exemplary, non-limiting classes of useful nonionic surfactants include: Cg-Ci g alkyl ethoxylates ("AE"), with EO about 1-22, including the so-called narrow peaked alkyl ethoxylates and Cg-C ⁇ alkyl phenol alkoxylates (especially ethoxylates and mixed ethoxy/propoxy), alkyl dialkyl amine oxide, alkanoyl glucose amide, and mixtures thereof.
  • AE Cg-Ci g alkyl ethoxylates
  • EO alkyl ethoxylates
  • alkyl dialkyl amine oxide alkanoyl glucose amide
  • nonionic surfactants for use herein include:
  • the polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols are preferred. These compounds include the condensation products of alkyl phenols having an alkyl group containing from about 6 to about 12 carbon atoms in either a straight chain or branched chain configuration with the alkylene oxide.
  • the ethylene oxide is present in an amount equal to from about 5 to about 25 moles of ethylene oxide per mole of alkyl phenol.
  • nonionic surfactants of this type include Igepal® CO-630, marketed by the GAF Corporation; and Triton® X-45, X-114, X-100, and X- 102, all marketed by the Rohm & Haas Company. These compounds are commonly referred to as alkyl phenol alkoxylates, (e.g., alkyl phenol ethoxylates).
  • the condensation products of aliphatic alcohols with from about 1 to about 25 moles of ethylene oxide can either be straight or branched, primary or secondary, and generally contains from about 8 to about 22 carbon atoms. Particularly preferred are the condensation products of alcohols having an alkyl group containing from about 10 to about 20 carbon atoms with from about 2 to about 18 moles of ethylene oxide per mole of alcohol.
  • nonionic surfactants of this type include Tergitol® 15-S-9 (the condensation product of C1 1 -C15 linear secondary alcohol with 9 moles ethylene oxide), Tergitol® 24-L-6 NMW (the condensation product of C12-C14 primary alcohol with 6 moles ethylene oxide with a narrow molecular weight distribution), both marketed by Union Carbide Corporation; Neodol® 45-9 (the condensation product of C14-C15 linear alcohol with 9 moles of ethylene oxide), Neodol® 23-6.5 (the condensation product of Ci 2 _ C ⁇ 3 linear alcohol with 6.5 moles of ethylene oxide), Neodol® 45-7 (the condensation product of C14-C15 linear alcohol with 7 moles of ethylene oxide), Neodol® 45-4 (the condensation product of C14-C15 linear alcohol with 4 moles of ethylene oxide), marketed by Shell Chemical Company, and Kyro® EOB (the condensation product of C ⁇ 3 -Ci 5 alcohol with 9 moles ethylene oxide), marketed by The Procter
  • nonionic surfactants include Dobanol 91-8® marketed by Shell Chemical Co. and Genapol UD-080® marketed by Hoechst. This category of nonionic surfactant is referred to generally as "alkyl ethoxylates.”
  • the hydrophobic portion of these compounds preferably has a molecular weight of from about 1500 to about 1800 and exhibits water insolubility.
  • the addition of polyoxyethylene moieties to this hydrophobic portion tends to increase the water solubility of the molecule as a whole, and the liquid character of the product is retained up to the point where the polyoxyethylene content is about 50% of the total weight of the condensation product, which corresponds to condensation with up to about 40 moles of ethylene oxide.
  • Examples of compounds of this type include certain of the commercially-available Pluronic® surfactants, marketed by BASF.
  • the condensation products of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylenediamine consist of the reaction product of ethylenediamine and excess propylene oxide, and generally has a molecular weight of from about 2500 to about 3000.
  • This hydrophobic moiety is condensed with ethylene oxide to the extent that the condensation product contains from about 40% to about 80% by weight of polyoxyethylene and has a molecular weight of from about 5,000 to about 11,000.
  • this type of nonionic surfactant include certain of the commercially available Tetronic® compounds, marketed by BASF.
  • Semi-polar nonionic surfactants are a special category of nonionic surfactants which include water-soluble amine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from about 1 to about 3 carbon atoms; water-soluble phosphine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from about 1 to about 3 carbon atoms; and water-soluble sulfoxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and a moiety selected from the group consisting of alkyl and hydroxyalkyl moieties of from about 1 to about 3 carbon atoms.
  • Semi-polar nonionic detergent surfactants include the amine oxide surfactants having the formula
  • R- is an alkyl, hydroxyalkyl, or alkyl phenyl group or mixtures thereof containing from about 8 to about 22 carbon atoms
  • R 4 is an alkylene or hydroxyalkylene group containing from about 2 to about 3 carbon atoms or mixtures thereof
  • x is from 0 to about 3
  • each R ⁇ is an alkyl or hydroxyalkyl group containing from about 1 to about 3 carbon atoms or a polyethylene oxide group containing from about 1 to about 3 ethylene oxide groups.
  • the R ⁇ groups can be attached to each other, e.g., through an oxygen or nitrogen atom, to form a ring structure.
  • amine oxide surfactants in particular include C ⁇ o-C] alkyl dimethyl amine oxides and C -C ⁇ alkoxy ethyl dihydroxy ethyl amine oxides.
  • Any reducing saccharide containing 5 or 6 carbon atoms can be used, e.g., glucose, galactose and galactosyl moieties can be substituted for the glucosyl moieties.
  • the hydrophobic group is attached at the 2-, 3-, 4-, etc. positions thus giving a glucose or galactose as opposed to a glucoside or galactoside.
  • the intersaccharide bonds can be, e.g., between the one position of the additional saccharide units and the 2-, 3-, 4-, and/or 6- positions on the preceding saccharide units.
  • a polyalkylene-oxide chain joining the hydrophobic moiety and the polysaccharide moiety.
  • the preferred alkyleneoxide is ethylene oxide.
  • Typical hydrophobic groups include alkyl groups, either saturated or unsaturated, branched or unbranched containing from about 8 to about 18, preferably from about 10 to about 16, carbon atoms.
  • the alkyl group is a straight chain saturated alkyl group.
  • the alkyl group can contain up to about 3 hydroxy groups and/or the polyalkyleneoxide chain can contain up to about 10, preferably less than 5, alkyleneoxide moieties.
  • Suitable alkyl polysaccharides are octyl, nonyl, decyl, undecyldodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, and octadecyl, di- , tri-, tetra-, penta-, and hexaglucosides, galactosides, lactosides, glucoses, fructosides, fructoses and/or galactoses.
  • Suitable mixtures include coconut alkyl, di-, tri-, tetra-, and pentaglucosides and tallow alkyl tetra-, penta-, and hexa-glucosides.
  • the preferred alkylpolyglycosides have the formula R2 ⁇ (C n H 2n O) t (glycosyl) x wherein R ⁇ is selected from the group consisting of alkyl, alkyl-phenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof in which the alkyl groups contain from about 10 to about 18, preferably from about 12 to about 14, carbon atoms; n is 2 or 3, preferably 2; t is from 0 to about 10, preferably 0; and x is from about 1.3 to about 10, preferably from about 1.3 to about 3, most preferably from about 1.3 to about 2.7.
  • the glycosyl is preferably derived from glucose.
  • the alcohol or alkylpolyethoxy alcohol is formed first and then reacted with glucose, or a source of glucose, to form the glucoside (attachment at the 1 -position).
  • the additional glycosyl units can then be attached between their 1 -position and the preceding glycosyl units 2-, 3- , 4- and/or 6-position, preferably predominantly the 2-position.
  • Fatty acid amide surfactants having the formula: O R 6 -C-N(R 7 ) 2 wherein R ⁇ is an alkyl group containing from about 7 to about 21 (preferably from about 9 to about 17) carbon atoms and each R 7 is selected from the group consisting of hydrogen, C1-C4 alkyl, C1-C4 hydroxyalkyl, and -(C ⁇ H4 ⁇ ) x H where x varies from about 1 to about 3.
  • Preferred amides are C -C20 ammonia amides, monoethanolamides, dietha- nolamides, and isopropanolamides.
  • Cationic/amphoteric - Non-quaternary, cationic detersive surfactants can also be included in detergent compositions of the present invention.
  • Cationic surfactants useful herein are described in U.S. Patent 4,228,044, Cambre, issued October 14, 1980.
  • Ampholytic surfactants can be incorporated into the detergent compositions hereof. These surfactants can be broadly described as aliphatic derivatives of secondary or tertiary amines, or aliphatic derivatives of heterocyclic secondary and tertiary amines in which the aliphatic radical can be straight chain or branched.
  • One of the aliphatic substituents contains at least about 8 carbon atoms, typically from about 8 to about 18 carbon atoms, and at least one contains an anionic water-solubilizing group, e.g., carboxy, sulfonate, sulfate. See U.S. Patent No.
  • amphoteric include C12 -Cjg alkyl ethoxylates ("AE") including the so-called narrow peaked alkyl ethoxylates and Cg-Ci2 alkyl phenol alkoxylates (especially ethoxylates and mixed ethoxy/propoxy), Ci2-C ⁇ g betaines and sulfobetaines ("sultaines”), CjQ-Ci g amine oxides, and mixtures thereof.
  • AE alkyl ethoxylates
  • sulfobetaines especially ethoxylates and mixed ethoxy/propoxy
  • the detergent compositions hereof may also contain polyhydroxy fatty acid amide surfactant.
  • the polyhydroxy fatty acid amide surfactant component comprises compounds of the structural formula: O R 1 R2. c - N - Z wherein: R is H, C1 -C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or a mixture thereof, preferably C1-C4 alkyl, more preferably Ci or C2 alkyl, most preferably C ⁇ alkyl (i.e., methyl); and R ⁇ is a C5-O31 hydrocarbyl, preferably straight chain C7-C19 alkyl or alkenyl, more preferably straight chain C9-C17 alkyl or alkenyl, most preferably straight chain C11-C15 alkyl or alkenyl, or mixtures thereof; and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an
  • Z preferably will be derived from a reducing sugar in a reductive amination reaction; more preferably Z will be a glycityl.
  • Suitable reducing sugars include glucose, fructose, maltose, lactose, galactose, mannose, and xylose.
  • high dextrose com syrup, high fructose com syrup, and high maltose com syrup can be utilized as well as the individual sugars listed above. These com syrups may yield a mix of sugar components for Z. It should be understood that it is by no means intended to exclude other suitable raw materials.
  • Z preferably will be selected from the group consisting of -CH2- (CHOH) n -CH 2 OH, -CH(CH 2 OH)-(CHOH) n _i -CH2OH, -CH 2 -
  • R can be, for example, N-methyl, N-ethyl, N-propyl, N-isopropyl, N-butyl, N-2- hydroxy ethyl, or N-2-hydroxy propyl.
  • R2-CO-N ⁇ can be, for example, cocamide, stearamide, oleamide, lauramide, myristamide, capricamide, palmitamide, tallowamide, etc.
  • Z can be 1-deoxyglucityl, 2-deoxyfructityl, 1-deoxymaltityl, 1-deoxylactityl, 1- deoxygalactityl, 1-deoxymannityl, 1-deoxymaltotriotityl, etc.
  • polyhydroxy fatty acid amides are known in the art. In general, they can be made by reacting an alkyl amine with a reducing sugar in a reductive amination reaction to form a corresponding N-alkyl polyhydroxyamine, and then reacting the N-alkyl polyhydroxyamine with a fatty aliphatic ester or triglyceride in a condensation/amidation step to form the N-alkyl, N-polyhydroxy fatty acid amide product.
  • Processes for making compositions containing polyhydroxy fatty acid amides are disclosed, for example, in G.B. Patent Specification 809,060, published February 18, 1959, by Thomas Hedley & Co., Ltd., U.S.
  • Diamines - Preferred organic diamines are those in which pKl and pK2 are in the range of about 8.0 to about 11.5, preferably in the range of about 8.4 to about 11, even more preferably from about 8.6 to about 10.75.
  • Other preferred materials are the primary/primary diamines with alkylene spacers ranging from C4 to C8.
  • pKal and pKa2 are quantities of a type collectively known to those skilled in the art as “pKa” pKa is used herein in the same manner as is commonly known to people skilled in the art of chemistry. Values referenced herein can be obtained from literature, such as from “Critical Stability Constants: Volume 2, Amines” by Smith and Martel, Plenum Press, NY and London, 1975. Additional information on pKa's can be obtained from relevant company literature, such as information supplied by Dupont, a supplier of diamines.
  • the pKa of the diamines is specified in an all-aqueous solution at 25°C and for an ionic strength between 0.1 to 0.5 M.
  • the pKa is an equilibrium constant which can change with temperature and ionic strength; thus, values reported in the literature are sometimes not in agreement depending on the measurement method and conditions.
  • the relevant conditions and/or references used for pKa's of this invention are as defined herein or in "Critical Stability Constants: Volume 2, Amines".
  • R ⁇ _4 are independently selected from H, methyl, -CH3CH2, and ethylene oxides; Cx and Cy are independently selected from methylene groups or branched alkyl groups where x+y is from about 3 to about 6; and A is optionally present and is selected from electron donating or withdrawing moieties chosen to adjust the diamine pKa's to the desired range. If A is present, then x and y must both be 1 or greater. Examples of preferred diamines include the following:
  • Secondary Surfactants - Secondary detersive surfactant can be selected from quaternary ammonium surfactants as long as the quaternary surfactant does not adversely affect the primary surfactant of this invention. Generally, the secondary, quaternary surfactant may be added for additional antimicrobial action in the detergent compositions herein.
  • Quaternary surfactants include the ammonium surfactants such as alkyldimethylammonium halogenides, and those surfactants having the formula: [R2(OR 3 ) y ][R 4 (OR 3 ) y ] 2 R 5 N + X- wherein R ⁇ is an alkyl or alkyl benzyl group having from about 8 to about 18 carbon atoms in the alkyl chain, each R 3 is selected from the group consisting of -CH2CH2-, - CH 2 CH(CH 3 )-, -CH 2 CH(CH 2 OH)-, -CH 2 CH 2 CH 2 -, and mixtures thereof; each R 4 is selected from the group consisting of C1 -C4 alkyl, C1-C4 hydroxyalkyl, benzyl, ring structures formed by joining the two R 4 groups, -CH 2 CHOHCHOHCOR 6 CHOH- CH2OH wherein R° is any hexose or hexose polymer having
  • Builders - Detergent builders can optionally be included in the compositions herein to assist in controlling mineral hardness. Inorganic as well as organic builders can be used. The level of builder can vary widely depending upon the end use of the composition and its desired physical form. Liquid formulations may comprise from about 1% to about 50%, more typically about 2% to about 30%, by weight, of detergent builder.
  • carbonate builders are the alkaline earth and alkali metal carbonates as disclosed in German Patent Application No. 2,321,001 published on November 15, 1973.
  • Organic detergent builders suitable for the purposes of the present invention include, but are not restricted to, a wide variety of polycarboxylate compounds.
  • polycarboxylate refers to compounds having a plurality of carboxylate groups, preferably at least 3 carboxylates.
  • Polycarboxylate builder can generally be added to the composition in acid form, but can also be added in the form of a neutralized salt. When utilized in salt form, alkali metals, such as sodium, potassium, and lithium, or alkanolammonium salts are preferred.
  • polycarboxylate builders include a variety of categories of useful materials.
  • One important category of polycarboxylate builders are disclosed in Berg, U.S. Patent 3,128,287, issued April 7, 1964, and Lamberti et al, U.S. Patent 3,635,830, issued January 18, 1972. See also "TMS/TDS" builders of U.S. Patent 4,663,071, issued to Bush et al, on May 5, 1987.
  • Suitable ether polycarboxylates also include cyclic compounds, particularly alicyclic compounds, such as those described in U.S. Patents 3,923,679; 3,835,163; 4,158,635; 4,120,874 and 4,102,903.
  • Citrate builders e.g., citric acid and soluble salts thereof (particularly sodium salt), are polycarboxylate builders of importance for liquid detergent formulations due to their availability from renewable resources and their biodegradability. Oxy-disuccinates are also especially useful in such compositions and combinations.
  • compositions of the present invention are the 3,3-dicarboxy-4- oxa-l,6-hexanedioates and the related compounds disclosed in U.S. Patent 4,566,984, Bush, issued January 28, 1986.
  • Laurylsuccinates are the preferred builders of this group, and are described in European Patent Application 86200690.5/0,200,263, published November 5, 1986.
  • Fatty acids e.g., Ci2-C ⁇ monocarboxylic acids
  • Ci2-C ⁇ monocarboxylic acids can also be incorporated into the compositions alone, or in combination with the aforesaid builders, especially citrate and/or the succinate builders, to provide additional builder activity.
  • Inorganic or P-containing detergent builders include, but are not limited to, the alkali metal, ammonium and alkanolammonium salts of polyphosphates (exemplified by the tripolyphosphates, pyrophosphates, and glassy polymeric meta-phosphates), phosphonates, phytic acid, silicates, carbonates (including bicarbonates and sesquicarbonates), sulphates, and aluminosilicates.
  • Phosphonate builders such as ethane- l-hydroxy-l,l-diphosphonate and other known phosphonates (see, for example, U.S. Patents 3,159,581; 3,213,030; 3,422,021; 3,400,148 and 3,422,137) can also be used.
  • silicate builders are the alkali metal silicates, such as the layered sodium silicates described in U.S. Patent 4,664,839, issued May 12, 1987 to H. P. Rieck.
  • NaSKS-6 is the trademark for a crystalline layered silicate marketed by Hoechst (commonly abbreviated herein as "SKS-6").
  • NaSKS-6 can be prepared by methods such as those described in German DE-A-3,417,649 and DE-A-3, 742,043.
  • Various other layered silicates from Hoechst include NaSKS-5, NaSKS-7 and NaSKS-11, as the alpha, beta and gamma forms.
  • aluminosilicate ion exchange materials are commercially available.
  • a method for producing aluminosilicate ion exchange materials is disclosed in U.S. Patent 3,985,669, Krummel, et al, issued October 12, 1976.
  • Enzymes - Suitable enzymes include proteases, amylases, lipases, cellulases, peroxidases, and mixtures thereof of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin. Preferred selections are influenced by factors such as pH-activity and/or stability optima, thermostability, and stability to active bleach, detergents, builders and the like. In this respect bacterial or fungal enzymes are preferred, such as bacterial amylases and proteases, and fungal cellulases.
  • Enzymes are normally incorporated into detergent or detergent additive compositions at levels sufficient to provide a "cleaning-effective amount".
  • cleaning effective amount refers to any amount capable of producing a cleaning, stain removal, soil removal, whitening, deodorizing, or freshness improving effect on substrates such as dishware and the like.
  • the compositions herein may comprise from 0.001% to 5%, preferably 0.01%-1% by weight of a commercial enzyme preparation.
  • Protease enzymes are usually present in such commercial preparations at levels sufficient to provide from 0.005 to 0.1 Anson units (AU) of activity per gram of composition.
  • protease enzyme and analogous enzymes are described in GB 1,243,784 to Novo.
  • suitable proteases include ALCALASE® and SAVINASE® from Novo and MAXATASE® from International Bio-Synthetics, Inc., The Netherlands; as well as Protease A as disclosed in EP 130,756 A, January 9, 1985 and Protease B as disclosed in EP 303,761 A, April 28, 1987 and EP 130,756 A, January 9, 1985. See also a high pH protease from Bacillus sp. NCIMB 40338 described in WO 9318140 A to Novo.
  • Enzymatic detergents comprising protease, one or more other enzymes, and a reversible protease inhibitor are described in WO 9203529 A to Novo.
  • Other preferred proteases include those of WO 9510591 A to Procter & Gamble .
  • a protease having decreased adsorption and increased hydrolysis is available as described in WO 9507791 to Procter & Gamble.
  • a recombinant trypsin-like protease for detergents suitable herein is described in WO 9425583 to Novo.
  • Amylases suitable herein, especially for, but not limited to automatic dishwashing purposes include, for example, ⁇ -amylases described in GB 1,296,839 to Novo; RAPIDASE®, International Bio-Synthetics, Inc. and TERMAMYL®, Novo. FUNGAMYL® from Novo is especially useful.
  • Engineering of enzymes for improved stability, e.g., oxidative stability, is known. See, for example J. Biological Chem., Vol. 260, No. 11, June 1985, pp 6518-6521
  • Preferred amylases include (a) an amylase according to the hereinbefore incorporated WO 9402597, Novo, Feb. 3, 1994.
  • amylases include variants having additional modification in the immediate parent as described in WO 9510603 A and are available from the assignee, Novo, as DURAMYL® .
  • Other particularly preferred oxidative stability enhanced amylase include those described in WO 9418314 to Genencor International and WO 9402597 to Novo.
  • Cellulases usable herein include those disclosed in U.S. 4,435,307, Barbesgoard et al, March 6, 1984. Suitable cellulases are also disclosed in GB-A-2.075.028; GB-A-
  • Suitable lipase enzymes for detergent usage include those produced by microorganisms of the Pseudomonas group, such as Pseudomonas stutzeri ATCC 19.154, as disclosed in GB 1,372,034. See also lipases in Japanese Patent Application 53,20487, laid open Feb. 24, 1978.
  • Other suitable commercial lipases include Amano-CES, lipases ex Chromobacter viscosum, e.g. Chromobacter viscosum var. lipolyticum NRRLB 3673 from Toyo Jozo Co., Tagata, Japan; Chromobacter viscosum lipases from U.S. Biochemical Corp., U.S.A. and Disoynth Co., The Netherlands, and lipases ex
  • Peroxidase enzymes may be used in combination with oxygen sources, e.g., percarbonate, perborate, hydrogen peroxide, etc., for "solution bleaching" or prevention of transfer of dyes or pigments removed from substrates during the wash to other substrates present in the wash solution.
  • oxygen sources e.g., percarbonate, perborate, hydrogen peroxide, etc.
  • Known peroxidases include horseradish peroxidase, ligninase, and haloperoxidases such as chloro- or bromo-peroxidase.
  • Peroxidase-containing detergent compositions are disclosed in WO 89099813 A, October 19, 1989 to Novo and WO 8909813 A to Novo.
  • a range of enzyme materials and means for their incorporation into synthetic detergent compositions is also disclosed in WO 9307263 A and WO 9307260 A to Genencor International, WO 8908694 A to Novo, and U.S. 3,553,139, January 5, 1971 to McCarty et al. Enzymes are further disclosed in U.S. 4,101,457, Place et al, July 18, 1978, and in U.S. 4,507,219, Hughes, March 26, 1985. Enzyme materials useful for liquid detergent formulations, and their incorporation into such formulations, are disclosed in U.S. 4,261,868, Hora et al, April 14, 1981. Enzymes for use in detergents can be stabilised by various techniques.
  • Enzyme stabilization techniques are disclosed and exemplified in U.S. 3,600,319, August 17, 1971, Gedge et al, EP 199,405 and EP 200,586, October 29, 1986, Venegas. Enzyme stabilization systems are also described, for example, in U.S. 3,519,570. A useful Bacillus, sp. AC13 giving proteases, xylanases and cellulases, is described in WO 9401532 A to Novo.
  • Enzyme Stabilizing System - Enzyme-containing including but not limited to, liquid compositions, herein may comprise from about 0.001% to about 10%, preferably from about 0.005% to about 8%, most preferably from about 0.01% to about 6%, by weight of an enzyme stabilizing system.
  • Such stabilizing systems can, for example, comprise calcium ion, boric acid, propylene glycol, short chain carboxylic acids, boronic acids, and mixtures thereof, and are designed to address different stabilization problems depending on the type and physical form of the detergent composition. See Severson, U.S. 4,537,706 for a review of Borate stabilizers.
  • Suitable chlorine scavenger anions are widely known and readily available, and, if used, can be salts containing ammonium cations with sulfite, bisulfite, thiosulfite, thiosulfate, iodide, etc.
  • Antioxidants such as carbamate, ascorbate, etc., organic amines such as ethylenediaminetetracetic acid (EDTA) or alkali metal salt thereof, monoethanolamine (MEA), and mixtures thereof can likewise be used.
  • EDTA ethylenediaminetetracetic acid
  • MEA monoethanolamine
  • scavengers such as bisulfate, nitrate, chloride, sources of hydrogen peroxide such as sodium perborate tetrahydrate, sodium perborate monohydrate and sodium percarbonate, as well as phosphate, condensed phosphate, acetate, benzoate, citrate, formate, lactate, malate, tartrate, salicylate, etc., and mixtures thereof can be used if desired.
  • sources of hydrogen peroxide such as sodium perborate tetrahydrate, sodium perborate monohydrate and sodium percarbonate
  • phosphate, condensed phosphate, acetate, benzoate, citrate, formate, lactate, malate, tartrate, salicylate, etc. and mixtures thereof can be used if desired.
  • Bleaching Agents such as bisulfate, nitrate, chloride, sources of hydrogen peroxide such as sodium perborate tetrahydrate, sodium perborate monohydrate and sodium percarbonate, as well as phosphate, condensed phosphate
  • composition of the present invention may contain diacyl peroxide of the general formula: RC(O)OO(O)CRl wherein R and Rl can be the same or different and are hydrocarbyls, preferably no more than one is a hydrocarbyl chain of longer than ten carbon atoms, more preferably at least one has an aromatic nucleus.
  • diacyl peroxides are selected from the group consisting dibenzoyl peroxide, dianisoyl peroxide, benzoyl gluaryl peroxide, benzoyl succinyl peroxide, di-(2-methybenzoyl) peroxide, diphthaloyl peroxide, dinaphthoyl peroxide, substituted dinaphthoyl peroxide, and mixtures thereof, more preferably dibenzoyl peroxide, dicumyl peroxide, diphthaloyl peroxides and mixtures thereof.
  • a particularly preferred diacyl peroxide is dibenzoyl peroxide.
  • compositions of the present invention may comprise a source of oxygen bleach, preferably a source of hydrogen peroxide with or without a selected bleach activator.
  • the source of hydrogen peroxide is typically any common hydrogen-peroxide releasing salt, such as sodium perborate or sodium percarbonate.
  • Hydrogen peroxide sources include the various forms of sodium perborate and sodium percarbonate and modified forms.
  • An "effective amount" of a source of hydrogen peroxide is any amount capable of measurably improving stain removal (especially of tea and tomato stains) from the soiled substrate compared to a hydrogen peroxide source-free composition when the soiled substrate is washed by the consumer.
  • the preferred source of hydrogen peroxide used herein can be any convenient source, including hydrogen peroxide itself.
  • perborate e.g., sodium perborate (any hydrate but preferably the mono- or tetra-hydrate), sodium carbonate peroxyhydrate or equivalent percarbonate salts, sodium pyrophosphate peroxy-hydrate, urea peroxyhydrate, or sodium peroxide can be used herein.
  • Sodium perborate monohydrate and sodium percarbonate are particularly preferred. Mixtures of any convenient hydrogen peroxide sources can also be used.
  • Another source of hydrogen peroxide is enzymes. Examples include Lipoxidase, glucose oxidase, peroxidase, alcohol oxidases, and mixtures thereof.
  • Bleach Activators Numerous conventional bleach activators are known. See for example activators referenced hereinabove in the background as well as U.S. Patent 4,915,854, issued April 10, 1990 to Mao et al, and U.S. Patent 4,412,934. Nonanoyloxybenzenesulfonate (NOBS) or acyl lactam activators may be used, and mixtures thereof with T.AED can also be used. See also U.S. 4,634,551 for other typical conventional bleach activators.
  • NOBS nonanoyloxybenzenesulfonate
  • T.AED can also be used. See also U.S. 4,634,551 for other typical conventional bleach activators.
  • amido-derived bleach activators of the formulae: R!N(R 5 )C(O)R 2 C(O)L or R!C(O)N(R 5 )R 2 C(O)L wherein R 1 is an alkyl group containing from about 6 to about 12 carbon atoms, R 2 is an alkyl ene containing from 1 to about 6 carbon atoms, R ⁇ is H or alkyl, aryl, or alkaryl containing from about 1 to about 10 carbon atoms, and L is any suitable leaving group.
  • bleach activators of the above formulae include (6- octanamidocaproyl)oxybenzenesulfonate, (6-nonanamidocaproyl)-oxybenzenesulfonate, (6-decanamidocaproyl)oxybenzenesulfonate, and mixtures thereof as described in U.S. Patent 4,634,551.
  • Another class of bleach activators comprises the benzoxazin-type activators disclosed by Hodge et al in U.S. Patent 4,966,723, issued October 30, 1990.
  • Still another class of bleach activators includes acyl lactam activators such as octanoyl caprolactam, 3,5,5-trimethylhexanoyl caprolactam, nonanoyl caprolactam, decanoyl caprolactam, undecenoyl caprolactam, octanoyl valerolactam, decanoyl valerolactam, undecenoyl valerolactam, nonanoyl valerolactam, 3,5,5-trimethyl-hexanoyl valerolactam, t-butylbenzoylcaprolactam, t-butylbenzoylvalerolactam and mixtures thereof.
  • acyl lactam activators such as octanoyl caprolactam, 3,5,5-trimethylhexanoyl caprolactam, nonanoyl caprolactam, decanoyl caprolactam, undecenoyl caprolactam,
  • the present compositions can optionally comprise aryl benzoates, such as phenyl benzoate, and acety triethyl citrate.
  • Quaternary Substituted Bleach Activators - The present compositions can also comprise quaternary substituted bleach activators (QSBA).
  • QSBA's herein typically have the formula E-[Z] n -C(O)-L, wherein group E is referred to as the "head”, group Z is referred to as the "spacer" (n is 0 or 1, i.e., this group may be present or absent, though its presence is generally preferred) and L is referred to as the "leaving group”.
  • L is a leaving group, the pKa of the corresponding carbon acid (HL) of which can lie in the general range from about 5 to about 30, more preferably, from about 10 to about 20, depending upon the hydrophilicity of the QSBA.
  • HL corresponding carbon acid
  • pKa's of leaving groups are further defined in U.S. Pat. No. 4,283,301. Leaving groups and solubilizing tendencies of quaternary moieties which can be present in the QSBA's are further illustrated in U.S. 4,539,130, Spt. 3, 1985 incorporated by reference.
  • Chlorine Bleach Any chlorine bleach typically known in the art is suitable for use herein.
  • Preferred chlorine bleaches for use herein include sodium hypochlorite, lithium hypochlorite, calcium hypochlorite, chlorinated trisodium phosphates, and mixtures thereof.
  • chlorine bleaches see Surfactant Science Series, Vol. 5, Part II, pages 520-26.
  • Bleach catalysts may additionally incorporate a catalyst or accelerator to further improve bleaching or starchy soil removal. Any suitable bleach catalyst can be used.
  • the compositions will comprise from about 0.0001% to about 0.1% by weight of bleach catalyst.
  • Typical bleach catalysts those disclosed in U.S. Pat. 4,810,410 to Diakun et al, issued March 7, 1989.
  • the active species thereof is believed to be ⁇ Co(NH 3 )5(OOH) ⁇ 2+ and is disclosed in J. Chem. Soc. Faraday Trans., 1994, Vol. 90, 1105-1114.
  • Other catalysts include manganese-based catalysts disclosed in U.S. Pat. 5,246,621, U.S. 5,244,594; U.S. 5,194,416; U.S. 5,114,606; and EP Nos. 549,271 Al, 549,272 Al, 544,440 A2, and 544,490 Al .
  • Other metal-based bleach catalysts include those disclosed in U.S. Pat.
  • Transition metals may be precomplexed or complexed in-situ with suitable donor ligands selected in function of the choice of metal, its oxidation state and the denticity of the ligands.
  • suitable donor ligands selected in function of the choice of metal, its oxidation state and the denticity of the ligands.
  • Other complexes which may be included herein are those of U.S. Application Ser. No. 08/210,186, filed March 17, 1994.
  • Perfumes - Perfumes and perfumery ingredients useful in the present compositions and processes comprise a wide variety of natural and synthetic chemical ingredients, including, but not limited to, aldehydes, ketones, esters, and the like. Also included are various natural extracts and essences which can comprise complex mixtures of ingredients, such as orange oil, lemon oil, rose extract, lavender, musk, patchouli, balsamic essence, sandalwood oil, pine oil, cedar, and the like. Finished perfumes can comprise extremely complex mixtures of such ingredients. Finished perfumes typically comprise from about 0.01% to about 4%, by weight, of the detergent compositions herein, and individual perfumery ingredients can comprise from about 0.0001% to about 90% of a finished perfume composition.
  • compositions may optionally contain as corrosion inhibitors and/or anti-tamish aids one or more material care agents such as silicates.
  • material care agents include bismuth salts, transition metal salts such as those of manganese, certain types of paraffin, triazoles, pyrazoles, thiols, mercaptans, aluminium fatty acid salts, and mixtures thereof and are preferably incorporated at low levels, e.g., from about 0.01% to about 5% of the composition.
  • a preferred paraffin oil is a predominantly branched aliphatic hydrocarbon comprising from about 20 to about 50 carbon atoms with a ratio of cyclic to noncyclic hydrocarbons of about 32 to 68 sold by Wintershall, Salzbergen, Germany as WINOG 70®. Bi(NO 3 ) 3 may be added.
  • Other corrosion inhibitors are illustrated by benzotriazole, thiols including thionaphtol and thioanthranol, and finely divided aluminium fatty acid salts. All such materials will generally be used judiciously so as to avoid producing spots or films on glassware or compromising the bleaching action of the compositions. For this reason, it may be preferred to formulate without mercaptan anti-tarnishes which are quite strongly bleach- reactive or common fatty carboxylic acids which precipitate with calcium.
  • the detergent compositions herein may also optionally contain one or more iron and/or manganese chelating agents.
  • chelating agents can be selected from the group consisting of amino carboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents and mixtures therein, all as hereinafter defined. Without intending to be bound by theory, it is believed that the benefit of these materials is due in part to their exceptional ability to remove iron and manganese ions from washing solutions by formation of soluble chelates.
  • Amino carboxylates useful as optional chelating agents include ethylenediaminetetracetates, N-hydroxyethylethylenediaminetriacetates, nitrilo-triacetates, ethylenediamine tetraproprionates, triethylenetetra-amine-hexacetates, diethylene- triaminepentaacetates, and ethanoldiglycines, alkali metal, ammonium, and substituted ammonium salts therein and mixtures therein.
  • Polyfunctionally-substituted aromatic chelating agents are also useful in the compositions herein. See U.S. Patent 3,812,044, issued May 21, 1974, to Connor et al.
  • Preferred compounds of this type in acid form are dihydroxydisulfobenzenes such as 1,2- dihydroxy-3,5-disulfobenzene.
  • a preferred biodegradable chelator for use herein is ethylenediamine disuccinate ("EDDS"), especially the [S,S] isomer as described in U.S. Patent 4,704,233, November 3, 1987, to Hartman and Perkins.
  • these chelating agents will generally comprise from about 0.1% to about 10% by weight of the detergent compositions herein. More preferably, if utilized, the chelating agents will comprise from about 0.1% to about 3.0% by weight of such compositions.
  • Polymeric Dispersing Agents can advantageously be utilized at levels from about 0.1% to about 7%, by weight, in the compositions herein, especially in the presence of zeolite and/or layered silicate builders.
  • Suitable polymeric dispersing agents include polymeric polycarboxylates and polyethylene glycols, although others known in the art can also be used. It is believed, though it is not intended to be limited by theory, that polymeric dispersing agents enhance overall detergent builder performance, when used in combination with other builders (including lower molecular weight polycarboxylates) by crystal growth inhibition, particulate soil release peptization, and anti-redeposition.
  • Polymeric polycarboxylate materials can be prepared by polymerizing or copolymerizing suitable unsaturated monomers, preferably in their acid form.
  • Unsaturated monomeric acids that can be polymerized to form suitable polymeric polycarboxylates include acrylic acid, maleic acid (or aleic anhydride), fumaric acid, itaconic acid, aconitic acid, mesaconic acid, citraconic acid and methylenemalonic acid.
  • the presence in the polymeric polycarboxylates herein or monomeric segments, containing no carboxylate radicals such as vinylmethyl ether, styrene, ethylene, etc. is suitable provided that such segments do not constitute more than about 40% by weight.
  • Particularly suitable polymeric polycarboxylates can be derived from acrylic acid.
  • acrylic acid-based polymers which are useful herein are the water-soluble salts of polymerized acrylic acid.
  • the average molecular weight of such polymers in the acid form preferably ranges from about 2,000 to 10,000, more preferably from about 4,000 to 7,000 and most preferably from about 4,000 to 5,000.
  • Water-soluble salts of such acrylic acid polymers can include, for example, the alkali metal, ammonium and substituted ammonium salts. Soluble polymers of this type are known materials. Use of polyacrylates of this type in detergent compositions has been disclosed, for example, in Diehl, U.S. Patent 3,308,067, issued march 7, 1967.
  • Acrylic/maleic-based copolymers may also be used as a preferred component of the dispersing/anti-redeposition agent.
  • Such materials include the water-soluble salts of copolymers of acrylic acid and maleic acid.
  • the average molecular weight of such copolymers in the acid form preferably ranges from about 2,000 to 100,000, more preferably from about 5,000 to 75,000, most preferably from about 7,000 to 65,000.
  • the ratio of acrylate to maleate segments in such copolymers will generally range from about 30:1 to about 1:1, more preferably from about 10: 1 to 2:1.
  • Water-soluble salts of such acrylic acid/maleic acid copolymers can include, for example, the alkali metal, ammonium and substituted ammonium salts.
  • Soluble acrylate/maleate copolymers of this type are known materials which are described in European Patent Application No. 66915, published December 15, 1982, as well as in EP 193,360, published September 3, 1986, which also describes such polymers comprising hydroxypropylacrylate.
  • Still other useful dispersing agents include the maleic/acrylic/vinyl alcohol terpolymers.
  • Such materials are also disclosed in EP 193,360, including, for example, the 45/45/10 terpolymer of acrylic/maleic/vinyl alcohol.
  • PPG polypropylene glycol
  • PG propylene glycol
  • PEG polyethylene glycol
  • PEG can exhibit dispersing agent performance as well as act as a clay soil removal-antiredeposition agent. Typical molecular weight ranges for these purposes range from about 500 to about 100,000, preferably from about 1,000 to about 50,000, more preferably from about 1,500 to about 10,000.
  • Polyaspartate and polyglutamate dispersing agents may also be used, especially in conjunction with zeolite builders.
  • Dispersing agents such as polyaspartate preferably have a molecular weight (avg.) of about 10,000.
  • Alkoxylated polycarboxylates such as those prepared from polyacrylates are useful herein to provide additional grease removal performance. Such materials are described in WO 91/08281 and PCT 90/01815 at p. 4 et seq. Chemically, these materials comprise polyacrylates having one ethoxy side-chain per every 7-8 acrylate units.
  • the side-chains are of the formula -(CH2CH2 ⁇ ) m (CH2) n CH 3 wherein m is 2-3 and n is 6-12.
  • the side- chains are ester-linked to the polyacrylate "backbone” to provide a "comb" polymer type structure.
  • the molecular weight can vary, but is typically in the range of about 2000 to about 50,000.
  • Such alkoxylated polycarboxylates can comprise from about 0.05% to about 10%, by weight, of the compositions herein.
  • polyethoxyated-polyamine polymers includes polyethoxyated-polyamine polymers (PPP).
  • the preferred polyethoxylated-polyamines useful herein are generally polyalkyleneamines (PAA's), polyalkyleneimines (PAI's), preferably polyethyleneamine (PEA's), polyethyleneimines (PEI's).
  • a common polyalkyleneamine (PAA) is tetrabutylenepentamine. PEA's are obtained by reactions involving ammonia and ethylene dichloride, followed by fractional distillation. The common PEA's obtained are triethylenetetramine (TETA) and teraethylenepentamine (TEPA).
  • the cogenerically derived mixture does not appear to separate by distillation and can include other materials such as cyclic amines and particularly piperazines. There can also be present cyclic amines with side chains in which nitrogen atoms appear. See U.S. Patent 2,792,372, Dickinson, issued May 14, 1957, which describes the preparation of PEA's.
  • Polyamines can be prepared, for example, by polymerizing ethyleneimine in the presence of a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, etc.
  • a catalyst such as carbon dioxide, sodium bisulfite, sulfuric acid, hydrogen peroxide, hydrochloric acid, acetic acid, etc.
  • Specific methods for preparing these polyamine backbones are disclosed in U.S. Patent 2,182,306, Ulrich et al., issued December 5, 1939; U.S. Patent 3,033,746, Mayle et al., issued May 8, 1962; U.S. Patent 2,208,095, Esselmann et al., issued July 16, 1940; U.S. Patent 2,806,839, Crowther, issued September 17, 1957; and U.S. Patent 2,553,696, Wilson, issued May 21, 1951; all herein incorporated by reference.
  • alkoxylated (especially ethoxylated) quaternary polyamine dispersants are useful herein as dispersants.
  • the alkoxylated quaternary polyamine dispersants which can be used in the present invention are of the general formula:
  • R is selected from linear or branched C2-C12 alkylene, C 3 -Ci2 hydroxyalkylene,
  • Each Ri is independently selected from C1-C4 alkyl, C7-C12 alkylaryl, or A.
  • Rj may be absent on some nitrogens; however, at least three nitrogens must be quaternized.
  • A is of the formula:
  • R3 where R is selected from H or C ⁇ -C 3 alkyl, n is from about 5 to about 100 and B is selected from H, C1-C4 alkyl, acetyl, or benzoyl; m is from about 0 to about 4, and X is a water soluble anion.
  • R is selected from C4 to Cg alkylene
  • Ri is selected from Ci -C2 alkyl or C2-C hydroxyalkyl
  • A is:
  • R3 where R 3 is selected from H or methyl, and n is from about 10 to about 50; and m is 1.
  • R is linear or branched Cg
  • Ri is methyl
  • R 3 is
  • n is from about 20 to about 50, and m is 1.
  • the levels of these dispersants used can range from about 0.1% to about 10%, typically from about 0.4% to about 5%, by weight.
  • These dispersants can be synthesized following the methods outline in US. Patent No. 4,664,848, or other ways known to those skilled in the art.
  • Hydrotropes - Hydrotropes suitable for use in the compositions herein include Cl- C3 alkyl aryl sulfonates, C6-C12 alkanols, C1-C6 carboxylic sulfates and sulfonates, urea, hydrocarboxylates, C1-C4 carboxylates, organic diacids, and mixtures thereof.
  • Suitable C1-C3 alkyl aryl sulfonates include sodium, potassium, calcium, and ammonium xylene sulfonates, toluene sulfonates, cumene sulfonates, and naphthalene sulfonates.
  • Divalent Ions - Compositions of this invention herein optionally, but preferably, contain magnesium and or calcium ions to aid in good grease removal and improved storage stability. These ions can be present in the compositions herein at an active level of from about 0.1% to about 4%, by weight.
  • Thickeners - Thickeners for use herein can be selected from clay, polycarboxylates, such as Polygel®, gums, carboxymethyl cellulose, polyacrylates, polyvinylpyrrolidone, polyamide resins, titanium dioxide, fumed silica, and mixtures thereof.
  • the clay may be naturally occurring, e.g., Bentonites, or artificially made, e.g., Laponite®.
  • Laponite® is supplied by Southern Clay Products, Inc. See The Chemistry and Physics of Clays, Grimshaw, 4th ed., 1971, pages 138-155, Wiley-Interscience.
  • Another preferred thickener for use in the present invention is hydroxypropyl methylcellulose.
  • Unsaturated monomeric acids that can be polymerized to form suitable polymeric polycarboxylates include acrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic, acid, aconitic acid, mesaconic acid, citraconic acid, and methylene alonic acid.
  • Particularly suitable polymeric polycarboxylates can be derived from acrylic acid. See for example, Diehl, U.S. Pat. 3,308,067, March 7, 1967.
  • Liquid detergent compositions can contain water and other solvents as carriers.
  • Low molecular weight primary or secondary alcohols exemplified by methanol, ethanol, propanol, and isopropanol are suitable.
  • Monohydric alcohols are preferred for solubilizing surfactant, but polyols such as those containing from 2 to about 6 carbon atoms and from 2 to about 6 hydroxy groups (e.g., 1,3-propanediol, ethylene glycol, glycerine, and 1,2-propanediol) can also be used.
  • the compositions may contain from 5% to 90%, typically 10% to 50% of such carriers.
  • Non-Aqueous Liquid Detergents The manufacture of liquid detergent compositions which comprise a non-aqueous carrier medium can be prepared according to the disclosures of U.S. Patents 4,753,570; 4,767,558; 4,772,413; 4,889,652; 4,892,673; GB-A-2, 158,838; GB-A-2,195,125; GB-A-2, 195,649; U.S. 4,988,462; U.S. 5,266,233; EP-A-225,654 (6/16/87); EP-A-510,762 (10/28/92); EP-A-540,089 (5/5/93); EP-A-540,090 (5/5/93); U.S.
  • compositions can contain various particulate detersive ingredients (e.g., bleaching agents, as disclosed hereinabove) stablely suspended therein.
  • particulate detersive ingredients e.g., bleaching agents, as disclosed hereinabove
  • Such non-aqueous compositions thus comprise a LIQUID PHASE and, optionally but preferably, a SOLID PHASE, all as described in more detail hereinafter and in the cited references.
  • compositions of this invention can be used to form aqueous washing solutions for use in hand dishwashing.
  • an effective amount of such compositions is added to water to form such aqueous cleaning or soaking solutions.
  • the aqueous solution so formed is then contacted with the dishware, tableware, and cooking utensils.
  • an effective amount of the detergent compositions herein added to water to form aqueous cleaning solutions can comprise amounts sufficient to form from about 500 to 20,000 ppm of composition in aqueous solution. More preferably, from about 500 to 5,000 ppm of the detergent compositions herein will be provided in aqueous cleaning liquor.
  • DTPA is ethylenediaminetetracetate.
  • Hydrotropes can be selected from calcium, sulfate or sodium xylene sulfonates and toluene sulfonates.
  • Thickeners include TetronicTM and AccusolTM.
  • the formulas provide significant germ kill (Escherichia coli and Staphococcus aureus) when applied to a surface and allowed to remain in contact with the surface for at least 15 seconds before rinsing.

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Abstract

Ce procédé de nettoyage d'un substrat consiste à mettre en contact un substrat contenant des microbes avec une composition de détergence, pendant une période suffisante pour réduire sensiblement la quantité de microbes présents sur le substrat. On peut ainsi nettoyer des métaux, des métaux enrobés, des matières plastiques, du caoutchouc, de la vaisselle, des revêtements de comptoirs, du tissu, des surfaces en bois et d'autres substrats en appliquant une composition de détergence pour lavages délicats, de préférence sous forme liquide, de crème, de pâte ou de gel, cette composition comprenant un agent antimicrobien tel qu'un tensioactif.
PCT/US1998/014689 1997-07-21 1998-07-16 Procede de nettoyage de substrats a l'aide de compositions de detergence WO1999003512A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR9810775-5A BR9810775A (pt) 1997-07-21 1998-07-16 Método para a sanitização de substratos com composições de detergente
AU84068/98A AU8406898A (en) 1997-07-21 1998-07-16 Method for sanitization of substrates with detergent compositions
JP2000502805A JP2001510076A (ja) 1997-07-21 1998-07-16 洗浄剤組成物を用いて基板を消毒する方法
CA002297061A CA2297061A1 (fr) 1997-07-21 1998-07-16 Procede de nettoyage de substrats a l'aide de compositions de detergence
EP98934579A EP1015040A2 (fr) 1997-07-21 1998-07-16 Procede de nettoyage de substrats a l'aide de compositions de detergence

Applications Claiming Priority (6)

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US5332297P 1997-07-21 1997-07-21
US96162297A 1997-10-31 1997-10-31
US2844498A 1998-02-24 1998-02-24
US09/028,444 1998-02-24
US08/961,622 1998-02-24
US60/053,322 1998-02-24

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001025388A1 (fr) * 1999-09-30 2001-04-12 The Procter & Gamble Company Procede favorisant l'aseptisation d'articles en phase apres-lavage de machine a laver la vaisselle automatique
WO2002072288A1 (fr) * 2001-03-13 2002-09-19 Reckitt Benckiser N.V. Composition pour laver la vaisselle
US8691340B2 (en) 2008-12-31 2014-04-08 Apinee, Inc. Preservation of wood, compositions and methods thereof
US9878464B1 (en) 2011-06-30 2018-01-30 Apinee, Inc. Preservation of cellulosic materials, compositions and methods thereof
WO2019112443A1 (fr) 2017-12-06 2019-06-13 Plastservice As Procédé de désinfection de dispositifs en plastique
WO2021005009A1 (fr) 2019-07-05 2021-01-14 Iomx Therapeutics Ag Anticorps de liant à l'igc2 de l'igsf11 (vsig3) et leurs utilisations
WO2022008027A1 (fr) 2020-07-06 2022-01-13 Iomx Therapeutics Ag Anticorps de liaison à l'igv d'igsf11 (vsig3) et leurs utilisations
NO348237B1 (en) * 2017-12-06 2024-10-21 Plastservice As Disinfection method for plastic devices

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3772399A (en) * 1998-05-01 1999-11-23 Procter & Gamble Company, The Method for sanitizing medical equipment using microwaves
EP1073480A1 (fr) * 1998-05-01 2001-02-07 The Procter & Gamble Company Procede pour nettoyer un equipement dentaire avec des micro-ondes
JP4606183B2 (ja) * 2005-01-25 2011-01-05 ニッポウ興産株式会社 医療廃棄物の加熱殺菌装置
CN103666873B (zh) * 2013-11-22 2015-08-19 陈卡丹 一种衣物用预洗去斑剂
CN104673539A (zh) * 2013-11-30 2015-06-03 招远市东晟橡胶制品有限公司 一种氟橡胶表面清洗液
CN105296207A (zh) * 2015-12-05 2016-02-03 齐齐哈尔医学院 一种细胞生物学用实验器具清洗液及其制备方法
WO2017124150A1 (fr) * 2016-01-22 2017-07-27 Novapharm Research (Australia) Pty Ltd Composition désinfectante

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CH294513A (fr) * 1950-05-19 1953-11-15 Gen Aniline & Film Corp Produit détersif germicide.
CH369455A (de) * 1958-04-25 1963-05-31 Geigy Ag J R Verfahren zur Herstellung von neuen, amphoteren Verbindungen
US4678658A (en) * 1985-05-24 1987-07-07 Larry Casey Aerosol germicide and dye
US4847089A (en) * 1986-07-16 1989-07-11 David N. Kramer Cleansing and distinfecting compositions, including bleaching agents, and sponges and other applicators incorporating the same
US4941989A (en) * 1986-07-16 1990-07-17 Ridgely Products Co., Inc. Cleansing and disinfecting compositions
US5320805A (en) * 1991-05-15 1994-06-14 Sterilex Corporation Methods of using a cleaner, sanitizer, disinfectant, fungicide, sporicide, chemical sterilizer
NZ249441A (en) * 1992-03-03 1995-12-21 Reginald Keith Whiteley Disinfectant composition containing an aqueous solution of tea tree oil
FR2727289B1 (fr) * 1994-11-30 1999-03-05 Derives Resiniques Terpenique Composition desinfectante comprenant au moins un alcool terpenique et au moins un tensio-actif acide bactericide, et utilisation de tels tensio-actifs
AU689354B2 (en) * 1994-12-09 1998-03-26 Unilever Plc Improvements relating to antimicrobial cleaning compositions

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001025388A1 (fr) * 1999-09-30 2001-04-12 The Procter & Gamble Company Procede favorisant l'aseptisation d'articles en phase apres-lavage de machine a laver la vaisselle automatique
WO2002072288A1 (fr) * 2001-03-13 2002-09-19 Reckitt Benckiser N.V. Composition pour laver la vaisselle
US8691340B2 (en) 2008-12-31 2014-04-08 Apinee, Inc. Preservation of wood, compositions and methods thereof
US9314938B2 (en) 2008-12-31 2016-04-19 Apinee, Inc. Preservation of wood, compositions and methods thereof
US9878464B1 (en) 2011-06-30 2018-01-30 Apinee, Inc. Preservation of cellulosic materials, compositions and methods thereof
WO2019112443A1 (fr) 2017-12-06 2019-06-13 Plastservice As Procédé de désinfection de dispositifs en plastique
NO348237B1 (en) * 2017-12-06 2024-10-21 Plastservice As Disinfection method for plastic devices
NO348254B1 (en) * 2017-12-06 2024-10-28 Plastservice As Disinfection method for plastic devices
WO2021005009A1 (fr) 2019-07-05 2021-01-14 Iomx Therapeutics Ag Anticorps de liant à l'igc2 de l'igsf11 (vsig3) et leurs utilisations
WO2022008027A1 (fr) 2020-07-06 2022-01-13 Iomx Therapeutics Ag Anticorps de liaison à l'igv d'igsf11 (vsig3) et leurs utilisations

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WO1999003512A3 (fr) 1999-05-14
CN1270531A (zh) 2000-10-18
AU8406898A (en) 1999-02-10
CA2297061A1 (fr) 1999-01-28
EP1015040A2 (fr) 2000-07-05
HUP0003196A2 (hu) 2001-02-28
AR016521A1 (es) 2001-07-25
JP2001510076A (ja) 2001-07-31

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