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WO1990013623A1 - Detergent en pate, exempt de phosphates et pratiquement anhydre - Google Patents

Detergent en pate, exempt de phosphates et pratiquement anhydre Download PDF

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Publication number
WO1990013623A1
WO1990013623A1 PCT/EP1990/000648 EP9000648W WO9013623A1 WO 1990013623 A1 WO1990013623 A1 WO 1990013623A1 EP 9000648 W EP9000648 W EP 9000648W WO 9013623 A1 WO9013623 A1 WO 9013623A1
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WO
WIPO (PCT)
Prior art keywords
weight
water
content
acid
free
Prior art date
Application number
PCT/EP1990/000648
Other languages
German (de)
English (en)
Inventor
Paul Schulz
Eduard Smulders
Original Assignee
Henkel Kommanditgesellschaft Auf Aktien
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 Henkel Kommanditgesellschaft Auf Aktien filed Critical Henkel Kommanditgesellschaft Auf Aktien
Publication of WO1990013623A1 publication Critical patent/WO1990013623A1/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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/128—Aluminium silicates, e.g. zeolites
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention relates to a pasty, phosphate-free, essentially water-free detergent which is distinguished by high storage stability and improved dispersibility and solubility in water.
  • Pasty detergents have the advantage over powdered agents that they can be handled and dosed dust-free. They are therefore also suitable for automatic dosing devices. Their problem is that they have to be sufficiently flowable in a larger temperature range, which considerably limits the freedom from recipes, especially if high proportions of solid active substances are to be incorporated into the paste. On the other hand, it is required that the agents do not separate during storage, which is difficult to reconcile with the requirement for good flowability and correspondingly reduced viscosity. Furthermore, the aim is not to use solvents and suspension stabilizers, since they do not contribute to washing performance when used. Finally, when cold water is added, in particular during the washing-in process in the washing machine, they should not form tough, difficult to disperse gels, but should dissolve quickly and completely.
  • DE 12 79 878 (GB 1205 711) describes a pasty, essentially anhydrous agent, the liquid phase of which consists of non-ionic surfactants and lower alcohols.
  • Sodium tripolyphosphate (TPP) and soda are used as skeleton salts, and sodium perborate monohydrate as bleaching agent.
  • TPP Sodium tripolyphosphate
  • soda soda are used as skeleton salts, and sodium perborate monohydrate as bleaching agent.
  • the solids are finely ground and suspension stabilizers in the form of finely divided silica are additionally added to the agent.
  • No. 4,115,308 describes pasty detergents which can be water-free and in this case contain large proportions of solvents, such as triethanolamine, polyethylene glycol or free fatty alcohols. These additives do not contribute to the washing effect of the agents.
  • the majority of the pastes also contain tripolyphosphate in proportions of 32 to 35% by weight.
  • the paste-like compositions according to DE 28 25 218 (US Pat. No. 4,315,812) are also extremely phosphate-rich with fractions of 30 to 35% by weight Na tripolyphosphate.
  • the agents contain finely divided silicon dioxide in proportions of approximately 2% by weight.
  • Phosphate-free detergent pastes which, however, contain high proportions of water-soluble builder substances which are also problematic for environmental reasons, such as nitrolotriacetate or phosphonates (between 38 and 55% by weight) are known from DE 2054855.
  • the compositions contain larger proportions of alcohols as solvents and small amounts of soap in the form of the alkali or alkaline earth metal salts as a suspension stabilizer.
  • EP 30 096 teaches that in liquid to pasty detergents, the solids, consisting of skeleton salts and persalts, have to be ground to particle sizes below 10 ⁇ m in order to avoid segregation of the pastes during storage.
  • the skeleton salts consist essentially of polyphosphonates.
  • Alkali silicates and organic builder salts can also be present, but no further details are given here.
  • the surfactant component consists exclusively of liquid nonionic surfactants. Anionic surfactants are not included in the pastes. The necessity of having to grind the solids to a very small grain size requires a considerable expenditure of equipment and time.
  • the paste-like agents mentioned essentially contain phosphates as builder salts.
  • P-free detergents require a different overall concept compared to P-containing detergents in order to avoid a decrease in the cleaning ability.
  • This development is already well advanced with powder detergents, while with pasty agents the problems are much greater due to the limited choice with regard to the usable raw materials.
  • Particular problems arise with pastes in which the phosphate is to be replaced by zeolite. Because of the water insolubility of the zeolites, these are particularly difficult to disperse in cold water. The experience gained with phosphate-containing agents cannot therefore be easily transferred to phosphate-free, high proportions of zeolite-containing liquid concentrates.
  • EP 295 525 discloses a pasty detergent which does not flow under the influence of gravity, and a method for automatic Dosing this agent in the washing machine known.
  • the agent contains nonionic surfactants and builder salts dispersed therein.
  • the high viscosity of the agents and their tendency to form viscous, difficult to disperse gels when mixed with cold water requires the use of mechanical conveying and dispersing devices, such as pumps, agitators and injectors, and process control. Although they enable a high degree of automation, exact dosing and trouble-free operation, they also require corresponding investments.
  • the object was therefore to develop a phosphate-free liquid detergent which is resistant to segregation and whose viscosity or flowability is selected such that it can also be metered without any outlay on equipment. Furthermore, the agent should be rapidly and completely dispersible and soluble in cold water without the formation of tough and poorly dispersible gels.
  • the invention with which these objects are achieved is a pasty, phosphate-free, essentially water-free detergent concentrate, characterized by a content of
  • the water content of the compositions is less than 4% by weight, preferably less than 2% by weight. According to this definition, free water, ie. H. not as water of hydration or water bound to zeolite.
  • the viscosity of the agents is generally between 10.00 and 70,000 mPa-s, preferably 15,000 and 60,000 mPa-s and in particular up to 50,000 mPa « s (illi-Pascal x see).
  • the agents are therefore still flowable and can be metered by hand, but on the other hand can also be fed to the washing machines by means of automatic metering and washing devices.
  • the proportion of Na-alkylbenzenesulfonate (component A), which is generally referred to in industry as dodecylbenzenesulfonate, is preferably 3 to 6% by weight.
  • Component (B) consists of alkoxylated, preferably ethoxylated, linear alcohols or their mixtures with alcohols (oxo alcohols) having 8 to 18 carbon atoms which are methyl-branched in the 2-position. Alcohols with 8 to 16 carbon atoms are preferably saturated. Those with 18 carbon atoms are preferably unsaturated and consist, for example, of oleyl alcohol.
  • the number of ethylene glycol ether groups (E0) is 2 to 10, preferably 3 to 8 and should preferably be coordinated with respect to the alcohol residue in such a way that the ethoxylates or ethoxylate mixtures have a pour point below 10 ° C., preferably below 5 ° C.
  • Nonionics from this class are C ⁇ o-14-coconut alcohols with 3 - 8 EO, Oley alcohol with 5 - 10 E0, C ⁇ o-14-oxo alcohols with 3 - 8 EO and Ci2-i5-0xo alcohols with 3 - 7 EO, as well as their mixtures.
  • Alcohol alkoxylates of the general formulas are also useful
  • R- (E0) a - (P0) b- (E0) c and R- (P0) x - (E0) y - (P0) z in the EO for an ethylene glycol ether residue, PO for a propylene glycol ether residue, a for numbers from 1 to 10, b for numbers 1 to 3, c for the numbers 0 to 10 with (a + c) - 5 to 15, x for the numbers 1 to 3, y for the numbers 3 to 10 and z for the numbers 0 to 3 stand with (x + z) 1 to 4.
  • the aforementioned ethoxylates and alkoxylates can be mixed with one another in any manner.
  • the proportion of the surfactant component (B) is on average 20 to 40% by weight, preferably 25 to 35% by weight.
  • the total amount of surfactants is 20 to 35% by weight, preferably 22 to 33% by weight.
  • Component (C) consists of hydrated, Fe-crystalline, synthetic zeolite of the NaA type. Suitable zeolites have practically no particles larger than 30 ⁇ m and preferably consist at least 80% of particles smaller than 10 ⁇ m. Their calcium binding capacity, which is determined according to the information in DE 24 12837, is in the range from 100 to 200 mg CaO / g.
  • the zeolite content of the agents is, on hydrated based on zeolite, 35 to 65% by weight, preferably 37 to 60% by weight and in particular 50 to 57% by weight.
  • Suitable polycarboxylates which are to be assigned to component (D) and can be used either alone or in a mixture are monomeric polycarboxylates, such as citric acid and nitrilotriacetic acid (NTA) in the form of the sodium salts. If citric acid is used exclusively, its proportion (based on acid) is preferably 8 to 15% by weight. If only NTA is used, its proportion (based on acid) is preferably 3 to 10% by weight.
  • Preferred components of component (D) are polymeric or copolymeric carboxylic acids in the form of the sodium salts.
  • Suitable homopolymers are polyethacrylic acid and preferably polyacrylic acid, for example those with a molecular weight of 800 to 200,000.
  • polyacrylic acid Of particular interest are low-molecular, low-viscosity polyacrylic acids which do not adversely affect the fluidity of the liquid concentrates, but at the same time still have sufficient sequestering power.
  • Such polyacrylic acids have a molecular weight of 1,000 to 50,000. They are in the means as. Sodium salts, but mostly not all acid groups are neutralized.
  • the polyacrylic acid content of the agents, based on acid, can be 3 to 10, preferably 4 to 8,% by weight.
  • Suitable copolymers are those of acrylic acid with methacrylic acid or copolymers of acrylic acid, methacrylic acid or maleic acid with vinyl ethers, such as vinyl methyl ether or vinyl ethyl ether, furthermore with vinyl esters, such as vinyl acetate or vinyl propionate, acrylamide, methacrylamide and with ethylene, propylene or styrene.
  • vinyl ethers such as vinyl methyl ether or vinyl ethyl ether
  • vinyl esters such as vinyl acetate or vinyl propionate
  • acrylamide methacrylamide
  • ethylene, propylene or styrene ethylene, propylene or styrene.
  • the proportion thereof in the interest of sufficient water solubility is not more than 60 mole percent, preferably less than 50 mole percent.
  • Copolymers of acrylic acid or methacrylic acid with maleic acid such as are characterized, for example, in EP 25551-B1 have proven to be particularly suitable.
  • copolymers containing 50 to 90% by weight of acrylic acid or methacrylic acid and 50 to 10% by weight of maleic acid are particularly preferred.
  • Copolymers in which 60 to 85% by weight of acrylic acid and 40 to 15% by weight of maleic acid are present are particularly preferred.
  • the content of such (co) polymers in the compositions, based on free acid, can be up to 10% by weight, preferably 3 to 8% by weight.
  • Anhydrous soda and sodium silicate are suitable as washing alkalis (component E).
  • the sodium silicate can have a Na ⁇ : Si ⁇ 2 ratio of 1: 0.9 to 1: 3.5. Waterglass with a ratio of 1: 2 to 1: 3.5 and metasilicate with a ratio of 1: 1 to 1: 1.5 are preferred.
  • the proportion of washing alkalis is 0 to 20, preferably 0 to 10% by weight, the proportion of soda preferably up to 10% by weight and that of sodium silicate preferably up to 7% by weight.
  • suspension stabilizers can be added to the compositions in proportions of up to 5% by weight, preferably from 0.2 to 3% by weight.
  • Alkaline soaps in particular sodium soaps from fatty acids with 12 to 22 carbon atoms, preferably saturated, are suitable Finely divided silica, such as precipitated or thermally produced silica (Aerosil) or diatomaceous earth, is also suitable. Mixtures of soap and finely divided silica can also be used.
  • cellulose ethers with graying-inhibiting action such as sodium carboxymethyl cellulose and their mixtures with other cellulose ethers, such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose or mixed ethers, such as methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose or ethyl hydroxyethyl cellulose.
  • Cellulose ethers and (co) polymers can advantageously be used together.
  • the graying inhibitor content of the agents can be up to 1.5% by weight, preferably up to 0.5% by weight.
  • enzymes in particular proteases, amylases and their mixtures, fragrances and customary optical brighteners, in particular optical brighteners with substantivity for cellulose fibers (cotton) from the class of the substituted bis-triazinylstilbene disulfonic acids and the sulfonated distyryl, which are usually used in proportions of 0.05 to 0.5% by weight.
  • agents for improving the flowability can also be added.
  • hydrotropes such as alkylbenzenesulfonate with 1 to 3 carbon atoms in the alkyl groups, such as toluene, Cu ol or xylene sulfonate.
  • C9..13 alkylbenzenesulfonates they do not contribute to the detergency of the agents and are therefore less preferred.
  • Solvents such as lower alcohols and ether alcohols and polyethylene glycols with a molecular weight of 200 to 1,000 can also be used.
  • the proportion of polyglycols can be up to 10% by weight. Alcohols can be used in the same amount, but they are less preferred.
  • the water content of the funds should be as low as possible, since free
  • Water increases the viscosity of the agents and thus complicates the processing and dosing of the agents. Water contents of less than 3% by weight, in particular less than 1.5% by weight, are therefore particularly preferred.
  • the agents are prepared by mixing and homogenizing the solid, finely divided constituents with the liquid nonionic surfactants, in particular with the liquid surfactant mixture. Surprisingly, it was found that about half of the solid alkylbenzenesulfonates behave like liquid constituents and thus favor the incorporation of high solids contents. At the same time, they lower the viscosity of the agents or enable higher proportions of solids. They also improve the dispersing properties of the agents in cold tap water.
  • the mixture is expediently ground while the constituents are combined or subsequently, for example in a colloid mill or on a roller mill, so that the particle size of the suspended solids is less than 50 ⁇ m, preferably between 5 and 40 ⁇ m.
  • the proportion of coarse particles (over 80 ⁇ m) should preferably be less than 5% by weight.
  • the agents are generally used in a concentration of 4 to 12 g / 1, preferably 5 to 10 g / 1, with softened, ie. H. to a degree of hardness of less than 2 ° dH, in particular less than 1 ° dH, softened water is used to prepare the wash liquor.
  • the agents are characterized by a high washability and a low, non-disturbing foam development during use. Surprisingly, it has been found that the agents are extraordinarily stable against segregation even under long-term storage under changing climatic conditions and dissolve and distribute completely within a short time even at water temperatures of 5 ° C.
  • OA-424 oxo alcohol C o-12 with E0 » 2P0 and 4E0
  • CO-16 cetyl oleyl alcohol with 65% oleyl alcohol + 1P0
  • the polyacrylate had a molecular weight of 5,000.
  • the copolymer was composed of acrylic acid and maleic acid (3: 1) and had a molecular weight of approximately 70,000. Both polymer salts were used in the form of the Na salts.
  • the Na citrate was present as a dihydrate.
  • the NaA type zeolite had a water content of 20%.
  • the Na salt of 4,4'-bis (2-anilino-4-morpholino-l, 3,5-triazin-6-yl-amino) -stilbene-2,2'-disulfonic acid was used as the optical brightener .
  • the soap consisted of a sodium tallow soap.
  • the silica designated SiO 2 consisted of diatomaceous earth.
  • the enzyme consisted of a protease-amylase mixture " (3: 2).
  • the content of unbound water was less than 0.5% by weight.
  • the contents given in the table mean percentages by weight.
  • component (B ) the acid content is given in brackets.
  • Example 1 42000 mPa-s
  • Example 2 49000 mPa-s
  • Example 3 29000 mPa-s
  • Example 4 32000 mPa-s
  • the agents proved to be stable in storage, i.e. no recognizable sedimentation occurred within a period of 6 weeks.
  • the solution speed at 4.5 ° C and 21 ° C determined under standardized conditions was excellent.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Concentré de détergent en pâte, exempt de phosphates et sensiblement anhydre, caractérisé en ce qu'il renferme, avec les teneurs suivantes: (A) 2 à 7 % en poids d'alkylbenzène-sulfonate de sodium à chaînes linéaires alkyliques C9 à 13, (B) 20 à 40 % en poids d'agents tensio-actifs non ioniques à groupes alkyle ou alkényle linéaires renfermant de 10 à 18 atomes de carbone, (C) 35 à 65 % en poids de zéolite synthétique, finement critallisée, contenant de l'eau, du type NaA, (D) 3 à 15 % en poids d'au moins un adjuvant polycarboxylate organique (par rapport à l'acide libre), (E) 0 à 20 % en poids de produits alcalins de lavage, de la classe carbonate de sodium et silicate de sodium, (F) 0 à 5 % en poids d'un agent stabilisant les suspensions et (G) d'autres constituants habituels des détergents. La somme des constituants (C) et (D) ne doit pas excéder 70 % en poids et le point de congélation des composants (B) doit être inférieur à 10°C.
PCT/EP1990/000648 1989-05-02 1990-04-23 Detergent en pate, exempt de phosphates et pratiquement anhydre WO1990013623A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3914504.2 1989-05-02
DE19893914504 DE3914504A1 (de) 1989-05-02 1989-05-02 Pastoeses, phosphatfreies, im wesentlichen wasserfreies waschmittel

Publications (1)

Publication Number Publication Date
WO1990013623A1 true WO1990013623A1 (fr) 1990-11-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1990/000648 WO1990013623A1 (fr) 1989-05-02 1990-04-23 Detergent en pate, exempt de phosphates et pratiquement anhydre

Country Status (4)

Country Link
EP (1) EP0395976A1 (fr)
DE (1) DE3914504A1 (fr)
PT (1) PT93931A (fr)
WO (1) WO1990013623A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023521A1 (fr) * 1992-05-19 1993-11-25 Henkel Kommanditgesellschaft Auf Aktien Procede de fabrication d'un detergent se presentant sous forme de pate
US5456850A (en) * 1988-12-14 1995-10-10 Henkel Kommanditgesellschaft Auf Aktien Fluid to pasty washing agent containing bleach

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9025624D0 (en) * 1990-11-26 1991-01-09 S B Chemicals Limited Liquid built detergent concentrates
DE4109247A1 (de) * 1991-03-21 1992-09-24 Henkel Kgaa Fluessiges oder pastenfoermiges waschmittel
RU2146280C1 (ru) * 1998-07-28 2000-03-10 Беденко Владимир Григорьевич Моющее средство "нега" для ручной и машинной стирки изделий

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283222A1 (fr) * 1974-08-29 1976-03-26 Henkel & Cie Gmbh Concentres liquides a pateux pour produits de lavage et de nettoyage
FR2283951A1 (fr) * 1974-09-06 1976-04-02 Colgate Palmolive Co Pate detergente contenant des tamis moleculaires zeolitiques
GB2176799A (en) * 1985-06-21 1987-01-07 Unilever Plc Detergent composition in paste form
EP0234867A2 (fr) * 1986-02-20 1987-09-02 The Clorox Company Compositions détergentes concentrées, sous forme de pâte, exemptes de phosphates
EP0295525A2 (fr) * 1987-06-15 1988-12-21 Henkel Kommanditgesellschaft auf Aktien Procédé de lavage mécanique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283222A1 (fr) * 1974-08-29 1976-03-26 Henkel & Cie Gmbh Concentres liquides a pateux pour produits de lavage et de nettoyage
FR2283951A1 (fr) * 1974-09-06 1976-04-02 Colgate Palmolive Co Pate detergente contenant des tamis moleculaires zeolitiques
GB2176799A (en) * 1985-06-21 1987-01-07 Unilever Plc Detergent composition in paste form
EP0234867A2 (fr) * 1986-02-20 1987-09-02 The Clorox Company Compositions détergentes concentrées, sous forme de pâte, exemptes de phosphates
EP0295525A2 (fr) * 1987-06-15 1988-12-21 Henkel Kommanditgesellschaft auf Aktien Procédé de lavage mécanique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5456850A (en) * 1988-12-14 1995-10-10 Henkel Kommanditgesellschaft Auf Aktien Fluid to pasty washing agent containing bleach
WO1993023521A1 (fr) * 1992-05-19 1993-11-25 Henkel Kommanditgesellschaft Auf Aktien Procede de fabrication d'un detergent se presentant sous forme de pate
US5518645A (en) * 1992-05-19 1996-05-21 Henkel Kommanditgesellschaft Auf Aktien Process for the production of paste-form detergents

Also Published As

Publication number Publication date
EP0395976A1 (fr) 1990-11-07
PT93931A (pt) 1991-01-08
DE3914504A1 (de) 1990-11-08

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