EP0863967A1 - Compositions detergentes liquides pour la lessive contenant des sulfates/sulfonates de glyceryl polyether alkyle - Google Patents

Compositions detergentes liquides pour la lessive contenant des sulfates/sulfonates de glyceryl polyether alkyle

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Publication number
EP0863967A1
EP0863967A1 EP95941343A EP95941343A EP0863967A1 EP 0863967 A1 EP0863967 A1 EP 0863967A1 EP 95941343 A EP95941343 A EP 95941343A EP 95941343 A EP95941343 A EP 95941343A EP 0863967 A1 EP0863967 A1 EP 0863967A1
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EP
European Patent Office
Prior art keywords
alkyl
detergent composition
composition according
surfactants
detergent compositions
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Legal status (The legal status 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 status listed.)
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EP95941343A
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German (de)
English (en)
Inventor
Youssef Oubrahim
Andre Christian Convents
Karel Jozef Maria Depoot
Katrien Elisabeth Allcock
Josephine Ling-Yee Kong-Chan
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Procter and Gamble Co
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Procter and Gamble Co
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Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP0863967A1 publication Critical patent/EP0863967A1/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
    • 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
    • C11D1/16—Sulfonic acids or sulfuric acid esters; Salts thereof derived from divalent or polyvalent alcohols

Definitions

  • the present invention relates to laundry detergent compositions containing specially selected alkyl polyether glyceryl sulfates/sulfonates.
  • the compositions provide enhanced cleaning of grease/oil soils and stains, particulary when used in a pre-treat laundering process for cleaning fabrics stained with grease/oil soils.
  • Detergent compositions useful for cleaning purposes such as laundering of fabrics, have commonly utilized a variety of surfactants.
  • the ability of detergent compositions to clean a large variety of soils and stains from other fabrics present in the typical load of laundry is of high importance in the evaluation of detergent performance.
  • Each surfactant has both strenghts and weaknesses.
  • detergent compositions are formulated with more than one surfactant active in order to maximize advantages and minimize disadvantages.
  • alkyl polyether glyceryl sulfates/sulfonates One of the surfactants that can be used m detergents are alkyl polyether glyceryl sulfates/sulfonates. Alkyl polyether glyceryl sulfates/sulfonates have been described in the art.
  • EP 193 386 relates to mild detergents containing mild detergent surfactants such as alkyl polyether glyceryl sulfates/sulfonates.
  • mild detergent surfactants such as alkyl polyether glyceryl sulfates/sulfonates.
  • C10-16 alkyl sulfates are described as optional ingredients.
  • Example V describes sodium C10-16 alkyl glyceryl ether sulfonate in combination with alkyl polyethoxysulfate.
  • US 4,565,647 relates to surfactant combinations which provide controlable aqueous foams, e.g. in laundry.
  • Alkyl polyether glyceryl sulfates/sulfonates are described as cosurfactant.
  • US 3,928,249 relates to liquid detergents containing amonic/nonionic surfactants.
  • Alkyl polyether glyceryl sulfates/sulfonates and alkylsulfates are described in ex. Ill, ex. V and ex. VI.
  • alkyl polyether glyceryl sulfates/sulfonates are very efficient as surfactants while enhancing the detergency performance of specific detergent ingredients formulated therewith.
  • a process is also provided for laundering operations.
  • the present invention relates to detergent compositions comprising selected alkyl polyether glyceryl sulfates/sulfonates in combination with specific detergent ingredients.
  • the detergent compositions according to the present invention comprise alkyl polyether glyceryl sulfates/sulfonates having the formula :
  • x 0-4, preferably 0
  • A SO 3 or O-SO 3
  • M is a saltforming cation, preferably potassium.
  • the detergent compositions according to the present invention comprise in addition to the selected alkyl polyether glyceryl sulfates/sulfonates certain specific detergent ingredients.
  • liquid detergent compositions containing a lipolytic enzyme and a specially selected alkyl glyceryl ether sulfonate/sulfate provide enhanced removal of greasy/oily soils particularly when the detergent composition is used in a pre-treatment application to greasy/oily soil stains on fabrics prior to and in conjunction with a normal wash process of the fabrics.
  • the lipase is present in the laundry detergent compositions in a performance-enhancing amount, preferably from about 0.0001 to 1.0% on an active basis.
  • Any lipase suitable for use m a laundry detergent composition can be used herein.
  • Suitable lipases for use herein include those of oacterial and fungal origin. Lipase from chemically or genetically modified mutants are included herein.
  • Suitable bacterial lipases include those produced by Pseudomonas, such as Pseudomonas stutzeri ATCC 19.154, as disclosed in British Patent 1,372,034, incorporated herein by reference. Suitable lipases include those which show a positive immunological cross-reaction with the antibody of the lipase produced by the microorganism Pseudomonas fluorescens IAM 1057. This lipase and a method for its purification have been described in Japanese Patent Application 53-20487, laid open on February 24, 1978, which is incorporated herein by reference.
  • Lipase P Lipase P
  • Mano-P Lipase P
  • Such lipases should show a positive immunological cross reaction with Amano-P antibody, using the standard and well-known immunodiffusion proc e according to Ouchterlony (Acta. Med. Scan., 133, pages 76-79 (1950)).
  • Ouchterlony Acta. Med. Scan., 133, pages 76-79 (1950)
  • These lipases, and a method for their immunological cross-reaction with Amano-P are also described in U.S. Patent 4,707,291, Thorn et al., issued November 17, 1987, incorporated herein by reference.
  • Typical examples thereof are the Amano-P lipase, the lipase ex Pseudomonas fragi FERM P 1339 (available under the trade name Amano-B), lipase ex Pseudomonas nitroreducens var. lipolyticum FERM P 1338 (available under the trade name Amano-CES), lipases ex Chromobacter viscosum, e.g., Chromobacter viscosum var. lipolyticum NRRLB 3673, and further Chromobacter viscosum lipases, and lipases ex Pseudomonas gladioli.
  • Other lipases of interest are Amano AKG and Bacillis Sp lipase.
  • Suitable fungal lipases include those producible by Humicola lanuginosa and Thermomyces lanugmosus. Most preferred is lipases obtained by cloning the gene from Humicola lanuginosa and expressing the gene in Aspergillus oryzae as described in European Patent Application 0 258 068, incorporated herein by reference, commercially available under the trade name LipolaseTM.
  • Highly preferred lipases are the D96L lipolytic enzyme variant of the native lipase derived from Humicola lanuginosa as described in US Serial No. 08/341,826.
  • the Humicola lanuginosa strain DSM 4106 is used. This enzyme is incorporated into the composition in accordance with the invention at a level of from 50LU to 8500LU per liter wash solution.
  • the variant D96L is present at a level of from 100LU to 7500LU per liter of wash solution. More preferably at a level of from 150 LU to 5000 LU per liter of wash solution.
  • D96L lipolytic enzyme variant is meant the lipase variant as described in patent application WO 92/05249 viz. wherein the native lipase ex Humicola lanuginosa aspartic acid (D) residue at position 96 is changed to Leucine (L). According to the nomenclature said substitution of aspartic acid to Leucine in position 96 is shown as : D96L.
  • lipase units per gram (LU/g) of lipase can be used in these compositions.
  • a lipase unit is that amount of lipase which produces 1 umol of titratable butyric acid per minute in a pH stat, where pH is 7.0, temperature is 30°C, and substrate is an emulsion of tributyrin, and gum arable, m the presence of Ca ++ and NaCl in phosphate buffer.
  • a second class of ingredients are surfactant systems wherein the surfactant is a non-alkylbenzene sulfonate salt containing surfactant system wherein the surfactant can be selected from nonionic and/or anionic and/or cationic and/or ampholytic and/or zwitterionic and/or semi-polar surfactants.
  • Preferred non-alkylbenzene sulfonate salt containing surfactant systems to be used according to the present invention comprise as a surfactant one or more of the nonionic and/or anionic surfactants described herein. These surfactants have found to be very useful in that the detergency performance of the selected alkyl has been increased in the presence of said surfactants.
  • Polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols are suitable for use as the nonionic surfactant of the surfactant systems of the present invention, with the polyethylene oxide condensates being preferred.
  • These compounds include the condensation products of alkyl phenols having an alkyl group containing from about 6 to about 14 carbon atoms, preferably from about 8 to about 14 carbon atoms, in either a straight-chain or branched-chain configuration with the alkyiene oxide.
  • the ethylene oxide is present in an amount equal to from about 2 to about 25 moles, more preferably from about 3 to about 15 moles, of ethylene oxide per mole of alkyl phenol.
  • nonionic surfactants of this type include IgepalTM CO-630, marketed by the GAF Corporation; and TritonTM X-45, X-114, X-100 and X-102, all marketed by the Rohm & Haas Company. These surfactants are commonly referred to as alkylphenol alkoxylates (e.g., alkyl phenol ethoxylates).
  • the condensation products of primary and secondary aliphatic alcohols with from about 1 to about 25 moles of ethylene oxide are suitable for use as the nonionic surfactant of the nonionic surfactant systems of the present invention.
  • the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from about 8 to about 22 carbon atoms.
  • nonionic surfactants of this type include TergitolTM 15-S-9 (the condensation product of C 11 -C 15 linear alcohol with 9 moles ethylene oxide), TergitolTM 24-L-6 NMW (the condensation product of C 12 -C 14 primary alcohol with 6 moles ethylene oxide with a narrow molecular weight distribution), both marketed by Union Carbide Corporation; NeodolTM 45-9 (the condensation product of C 14 -C 15 linear alcohol with 9 moles of ethylene oxide), NeodolTM 23-6.5 (the condensation product of C 12 -C 13 linear alcohol with 6.5 moles of ethylene oxide), NeodolTM 45-7 (the condensation product of C 14 -C 15 linear alcohol with 7 moles of ethylene oxide), NeodolTM 45-4 (the condensation product of C 14 -C 15 linear alcohol with 4 moles of ethylene oxide) marketed by Shell Chemical Company, and KyroTM EOB (the condensation product of C 13 -C 15 alcohol with 9 moles ethylene oxide), marketed by The Procter
  • nonionic surfactant of the surfactant systems of the present invention are the alkylpolysaccharides disclosed in U.S. Patent 4,565,647, Llenado, issued January 21, 1986, having a hydrophobic group containing from about 6 to about 30 carbon atoms, preferably from about 10 to about 16 carbon atoms and a polysaccharide, e.g. a polyglycoside, hydrophilic group containing 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 saccharide units.
  • a hydrophobic group containing from about 6 to about 30 carbon atoms, preferably from about 10 to about 16 carbon atoms and a polysaccharide, e.g. a polyglycoside, hydrophilic group containing 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 saccharide units.
  • 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 (optionally 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.
  • the preferred alkylpolyglycosides have the formula
  • R 2 O(C n H 2n O) t (glycosyl) x
  • R 2 is selected from the group consisting of alkyl, alkylphenyl, 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 predominately the 2-position.
  • nonionic surfactants are the condensation products of ethylene oxide with a hydrophobic base formed by the condensation of propylene oxide with propylene glycol are also suitable for use as the additional nonionic surfactant of the nonionic surfactant systems of the present invention.
  • the hydrophobic portion of these compounds will preferably have a molecular weight of from about 1500 to about 1800 and will exhibit 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 PluronicTM surfactants, marketed by BASF.
  • nonionic surfactant of the nonionic surfactant system of the present invention are the condensation products of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylenediamine.
  • the hydrophobic moiety of these products consists 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 TetronicTM compounds, marketed by BASF.
  • nonionic surfactant of the surfactant systems of the present invention are polyethylene oxide condensates of alkyl phenols, condensation products of primary and secondary aliphatic alcohols with from about 1 to about 25 moles of ethylene oxide, alkylpolysaccharides, and mixtures thereof. Most preferred are C 3 -C 14 alkyl phenol ethoxylates having from 3 to 15 ethoxy groups and C 8 -C 18 alcohol ethoxylates (preferably C 10 avg.) having from 2 to 10 ethoxy groups, and mixtures thereof.
  • Highly preferred nonionic surfactants are polyhydoxy fatty acid amide surfactants of the formula.
  • R 1 is H, or R 1 is C 1-4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl or a mixture thereof, R 2 is C 5-31 hydrocarbyl, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
  • R 1 is methyl
  • R 2 is a straight C 11-15 alkyl or alkenyl chain such as coconut alkyl or mixtures thereof
  • Z is derived from a reducing sugar such as glucose, fructose, maltose, lactose, in a reductive amination reaction.
  • the nonionic surfactant systems of the present invention act to improve the greasy/oily stain removal properties of such laundry detergent compositions across a broad range of laundry conditions.
  • alkyl alkoxylated sulfate surfactants hereof are water soluble salts or acids of the formula RO(A) m SO3M wherein R is an unsubstituted C 10 -C 24 alkyl or hydroxyalkyl group having a C 10 -C 24 alkyl component, preferably a C 12 -C 20 alkyl or hydroxyalkyl, more preferably C 12 -C 18 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 C 10 -C 24 alkyl or hydroxyalkyl group having a C 10 -C 24 alkyl component, preferably
  • Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
  • Specific examples of substituted ammonium cations include methyl-, dimethyl, trimethyl-ammonium cations and quaternary ammonium cations such as tetramethyl-ammonium and dimethyl piperdinium cations and those derived from alkylamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
  • Exemplary surfactants are C 12 -C 18 alkyl polyethoxylate (1.0) sulfate (C 12 -C 18 E(1.0)M), C 12 -C 18 alkyl polyethoxylate (2.25) sulfate (C 12 -C 18 E(2.25)M), C 12 -C 18 alkyl polyethoxylate (3.0) sulfate (C 12 -C 18 E(3.0)M), and C 12 -C 18 alkyl polyethoxylate (4.0) sulfate (C 12 -C 18 E(4.0)M), wherein M is conveniently selected from sodium and potassium.
  • Suitable anionic surfactants to be used are alkyl ester sulfonate surfactants including linear esters of C 8 -C 20 carboxylic acids (i.e., fatty acids) which are 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 oil, etc.
  • alkyl ester sulfonate surfactant especially for laundry applications, comprise alkyl ester sulfonate surfactants of the structural formula :
  • R 3 is a C 8 -C 20 hydrocarbyl, preferably an alkyl, or combination thereof
  • R 4 is a C 1 -C 6 hydrocarbyl, preferably an alkyl, or combination thereof
  • M is a cation which forms a water soluble salt with the alkyl ester sulfonate.
  • Suitable salt-forming cations include metals such as sodium, potassium, and lithium, and substituted or unsubstituted ammonium cations, such as monoethanolamine, diethanolamine, and triethanolamine.
  • R 3 is C 10 -C 16 alkyl
  • R 4 is methyl, ethyl or isopropyl.
  • the methyl ester sulfonates wherein R 3 is C 10 -C 16 alkyl.
  • alkyl sulfate surfactants hereof are water soluble salts or acids of the formula ROSO 3 M wherein R preferably is a C 10 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C 10 -C 20 alkyl component, more preferably a C 12 -C 18 alkyl or hydroxyalkyl, and M is H or a cation, e.g., an alkali metal cation (e.g. sodium, potassium, lithium), or ammonium or substituted ammonium (e.g.
  • R preferably is a C 10 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C 10 -C 20 alkyl component, more preferably a C 12 -C 18 alkyl or hydroxyalkyl
  • M is H or a cation, e.g., an alkali metal cation (e.g. sodium, potassium, lithium), or ammonium or substituted
  • alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like.
  • alkyl chains of C 12 -C 16 are preferred for lower wash temperatures (e.g. below about 50°C) and C 16 - 18 alkyl chains are preferred for higher wash temperatures (e.g. above about 50°C).
  • anionic surfactants useful for detersive purposes can also be included in the laundry detergent compositions of the present invention.
  • These can include salts (including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di- and triethanolamine salts) of soap, , C 8 -C 22 primary of secondary alkanesulfonates, C 8 -C 24 olefinsulfonates, sulfonated polycarboxylic acids prepared by sulfonation of the pyrolyzed product of alkaline earth metal citrates, e.g., as described in British patent specification No.
  • alkylpolyglycolethersulfates (containing up to 10 moles of ethylene oxide); alkyl phenol ethylene oxide ether sulfates, paraffin sulfonates, alkyl phosphates, isethionates such as the acyl isethionates, N-acyl taurates, alkyl succinamates and sulfosuccinates, monoesters of sulfosuccinates (especially saturated and unsaturated C 12 -C 18 monoesters) and diesters of sulfosuccinates (especially saturated and unsaturated C 6 -C 12 diesters), acyl sarcosinates, sulfates of alkylpolysaccharides such as the sulfates of alkylpolyglucoside (the nonionic nonsulfated compounds being described below), branched primary alkyl sulfates, and alkyl polyethoxy carboxy
  • 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 described 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 (herein incorporated by reference).
  • the laundry detergent compositions of the present invention typically comprise from about 1% to about 40%, preferably from about 3% to about 20% by weight of such anionic surfactants.
  • the laundry detergent compositions of the present invention may also contain cationic, ampholytic, zwitterionic, and semi-polar surfactants, as well as the nonionic and/or anionic surfactants other than those already described herein.
  • Preferred cationic surfactant systems include nonionic and ampholytic surfactants.
  • Cationic detersive surfactants suitable for use in the laundry detergent compositions of the present invention are those having one long-chain hydrocarbyl group.
  • cationic surfactants include the ammonium surfactants such as alkyldimethylammonium halogenides, and those surfactants having the formula :
  • R 2 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 -CH 2 CH 2 -, 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 C 1 -C 4 alkyl, C 1 -C 4 hydroxyalkyl, benzyl ring structures formed by joining the two R 4 groups, -CH 2 CHOH-CHOHCOR 6 CHOHCH 2 OH wherein R 6 is any hexose or hexose polymer having a molecular weight less than about 1000, and hydrogen when y is not 0
  • R 5 is the same as R 4 or is an alkyl chain wherein the total number
  • Highly preferred cationic surfactants are the water-soluble quaternary ammonium compounds useful in the present composition having the formula : R 1 R 2 R 3 R 4 N + X- (i) wherein R 1 is C 8 -C 1 6 alkyl, each of R 2 , R 3 and R 4 is independently C 1 -C 4 alkyl, C 1 -C 4 hydroxy alkyl, benzyl, and -(C 2 H 40 ) x H where x has a value from 2 to 5, and X is an anion. Not more than one of R 2 , R 3 or R 4 should be benzyl.
  • the preferred alkyl chain length for R 1 is C 12 -C 15 particularly where the alkyl group is a mixture of chain lengths derived from coconut or palm kernel fat or is derived synthetically by olefin build up or OXO alcohols synthesis.
  • Preferred groups for R 2 R 3 and R 4 are methyl and hydroxyethyl groups and the anion X may be selected from halide, methosulphate, acetate and phosphate ions.
  • quaternary ammonium compounds of formulae (i) for use herein are : coconut trimethyl ammonium chloride or bromide;
  • coconut methyl dihydroxyethyl ammonium chloride or bromide coconut methyl dihydroxyethyl ammonium chloride or bromide
  • coconut dimethyl hydroxyethyl ammonium chloride or bromide coconut dimethyl hydroxyethyl ammonium chloride or bromide
  • the laundry detergent compositions of the present invention typically comprise from 0% to about 25% , preferably from about 3% to about 15% by weight of such cationic surfactants.
  • Ampholytic surfactants are also suitable for use in the laundry detergent compositions of the present invention. 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- or branched-chain.
  • 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. 3,929,678 to Laughlin et al., issued December 30, 1975 at column 19, lines 18-35, for examples of ampholytic surfactants.
  • the laundry detergent compositions of the present invention typically comprise from 0% to about 15%, preferably from about 1% to about 10% by weight of such ampholytic surfactants.
  • Zwitterionic surfactants are also suitable for use in laundry detergent compositions. These surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds. See U.S. Patent No. 3,929,678 to Laughlin et al., issued December 30, 1975 at column 19, line 38 through column 22, line 48, for examples of zwitterionic surfactants.
  • the laundry detergent compositions of the present invention typically comprise from 0% to about 15%, preferably from about 1% to about 10% by weight of such zwitterionic surfactants.
  • 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 3 is an alkyl, hydroxyalkyl, or alkyl phenyl group or mixtures therof 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 5 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 5 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 10 -C 18 alkyl dimethyl amine oxides and C 8 -C 12 alkoxy ethyl dihydroxy ethyl amine oxides.
  • the laundry detergent compositions of the present invention typically comprise from 0% to about 15%, preferably from about 1% to about 10% by weight of such semi-polar nonionic surfactants.
  • the present invention further provides laundry detergent compositions comprising at least 1% by weight, preferably from about 3% to about 65%, more preferably from about 10% to about 25% by weight of total surfactants.
  • a third class of detergent ingredients that has been found to provide enhanced detergency benefits are enzymes selected from peroxidases, cellulases or mixtures thereof.
  • the cellulases usable in the present invention include both bacterial or fungal cellulase. Preferably, they will have a pH optimum of between 5 and 9.5. Suitable cellulases are disclosed in U.S. Patent 4,435,307, Barbesgoard et al, which discloses fungal cellulase produced from Humicola insolens. Suitable cellulases are also disclosed in GB-A-2.075.028 ; GB-A-2.095.275 and DE-OS-2.247.832.
  • cellulases examples include cellulases produced by a strain of Humicola insolens (Humicola grisea var. thermoidea), particularly the Humicola strain DSM 1800, and cellulases produced by a fungus of Bacillus N or a cellulase 212-producing fungus belonging to the genus Aeromonas, and cellulase extracted from the hepatopancreas of a marine mollusc (Dolabella Auricula Solander).
  • Suitable cellulases are cellulases originated from Humicola Insulens having a molecular weight of about 50KDa, an isoelectric point of 5.5 and containing 415 amino acids. Such cellulase are described in Copending European patent application No. 93200811.3, filed March 19, 1993. Especially suitable cellulase are the cellulase having color care benefits. Examples of such cellulases are cellulase described in European patent application No. 91202879.2, filed November 6, 1991 Carezyme (Novo).
  • Peroxidase enzymes are used in combination with oxygen sources, e.g. percarbonate, perborate, persulfate, hydrogen peroxide, etc. They are used for "solution bleaching", i.e. to prevent transfer of dyes of pigments removed from substrates during wash operations to other substrates in the wash solution.
  • Peroxidase enzymes are known in the art, and include, for example, horseradish peroxidase, ligninase, and haloperoxidase such as chloro- and bromoperoxidase.
  • Peroxidase-containing detergent compositions are disclosed, for example, in PCT International Application WO 89/099813 and in European Patent application EP No. 91202882.6, filed on November 6, 1991.
  • detergent ingredients that can be included are detersive enzymes which can be included in the detergent formulations for a wide variety of purposes including removal of protein-based, carbohydrate-based, or triglyceride-based stains, for example, and prevention of refugee dye transfer.
  • the enzymes to be incorporated include proteases, amylases, lipases, cellulases, and peroxidases, as well as mixtures thereof.
  • Other types of enzymes may also be included. They may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin.
  • Enzymes are normally incorporated at levels sufficient to provide up to about 5 mg by weight, more typically about 0.05 mg to about 3 mg, of active enzyme per gram of the composition.
  • proteases are the subtilisins which are obtained from particular strains of B.subtilis and B. licheniforms.
  • proteases suitable for removing protein-based stains that are commercially available include those sold under the tradenames Alcalase, Savinase and Esperase by Novo Industries A/S (Denmark) and Maxatase by International Bio-Synthetics, Inc. (The Netherlands) and FN-base by Genencor, Optimase and opticlean by MKC.
  • Protease A is described in European Patent Application 130,756.
  • Protease B is described in European Patent Application Serial No. 87303761.8.
  • Amylases include, for example, amylases obtained from a special strain of B. licheniforms, described in more detail in British Patent Specification No. 1,296,839 (Novo).
  • Amylolytic proteins include, for example, Rapidase, Maxamyl (International Bio-Synthetics, Inc.) and Termamyl, (Novo Industries).
  • an enzyme stabilization system is preferably utilized.
  • Enzyme stabilization techniques for aqueous detergent compositions are well known in the art.
  • one technique for enzyme stabilization in aqueous solutions involves the use of free calcium ions from sources such as calcium acetate, calcium formate and calcium propionate.
  • Calcium ions can be used in combination with short chain carboxylic acid salts, preferably formates. See, for example, U.S. patent 4,318,818. It has also been proposed to use polyols like glycerol and sorbitol.
  • Alkoxy-alcohols dialkylglycoethers, mixtures of polyvalent alcohols with polyfunctional aliphatic amines (e.g., such as diethanolamine, triethanolamine, di-isopropanolamime, etc.), and boric acid or alkali metal borate.
  • Enzyme stabilization techniques are additionally disclosed and exemplified in U.S. patent 4,261,868, U.S. Patent 3,600,319, and European Patent Application Publication No. 0 199 405, Application No. 86200586.5.
  • Non-boric acid and borate stabilizers are preferred.
  • Enzyme stabilization systems are also described, for example, in U.S. Patents 4,261,868, 3,600,319 and 3,519,570.
  • enzyme oxidation scavengers which are described in Copending European Patent aplication N 92870018.6 filed on January 31, 1992.
  • enzyme oxidation scavengers are ethoxylated tetraethylene polyamines.
  • Especially preferred detergent ingredients are combinations with technologies which also provide a type of color care benefit.
  • these technologies are polyvinylpyrrolidone polymers such as described in EP 0 508 034 and polyamine-N-oxide containing polymers such as described in Copending European patent application N 92202168.8 and N 93201198.4.
  • Other examples are cellulase and/or peroxidases and/or metallo catalysts for color maintance rejuvenation.
  • Such metallo catalysts are described in copending European Patent Application No. 92870181.2.
  • Preferred detergent ingredients that can be included in the detergent compositions of the present invention include bleaching agents. These bleaching agent components can include one or more oxygen bleaching agents and, depending upon the bleaching agent chosen, one or more bleach activators.
  • bleaching compounds When present bleaching compounds will typically be present at levels of from about 1% to about 10%, of the detergent composition. In general, bleaching compounds are optional components in non-liquid formulations, e.g. granular detergents. If present, the amount of bleach activators will typically be from about 0.1% to about 60%, more typically from about 0.5% to about 40% of the bleaching composition.
  • the bleaching agent component for use herein can be any of the bleaching agents useful for detergent compositions including oxygen bleaches as well as others known in the art.
  • the bleaching agent suitable for the present invention can be an activated or non-activated bleaching agent.
  • oxygen bleaching agent that can be used encompasses percarboxylic acid bleaching agents and salts thereof. Suitable examples of this class of agents include magnesium monoperoxyphthalate hexahydrate, the magnesium salt of meta-chloro perbenzoic acid, 4-nonylamino-4-oxoperoxybutyric acid and diperoxydodecanedioic acid.
  • Such bleaching agents are disclosed in U.S. Patent 4,483,781, U.S. Patent Application 740,446, European Patent Application 0,133,354 and U.S. Patent 4,412,934.
  • Highly preferred bleaching agents also include 6-nonylamino-6-oxoperoxycaproic acid as described in U.S. Patent 4,634,551.
  • bleaching agents that can be used encompasses the halogen bleaching agents.
  • hypohalite bleaching agents include trichloro isocyanuric acid and the sodium and potassium dichloroisocyanurates and N-chloro and N-bromo alkane sulphonamides. Such materials are normally added at 0.5-10% by weight of the finished product, preferably 1-5% by weight.
  • the bleaches suitable for the present invention include peroxygen bleaches.
  • suitable water-soluble solid peroxygen bleaches include hydrogen peroxide releasing agents such as hydrogen peroxide, perborates, e.g. perborate monohydrate, perborate tetrahydrate, persulfates, percarbonates, peroxydisulfates, perphosphates and peroxyhydrates.
  • Preferred bleaches are percarbonates and perborates.
  • the hydrogen peroxide releasing agents can be used in combination with bleach activators such as tetraacetylethylenediamine (TAED), nonanoyloxybenzenesulfonate (NOBS, described in US 4,412,934), 3,5,-trimethylhexanoloxybenzenesulfonate (ISONOBS, described in EP 120,591) or pentaacetylglucose (PAG), which are perhydrolyzed to form a peracid as the active bleaching species, leading to improved bleaching effect.
  • bleach activators such as tetraacetylethylenediamine (TAED), nonanoyloxybenzenesulfonate (NOBS, described in US 4,412,934), 3,5,-trimethylhexanoloxybenzenesulfonate (ISONOBS, described in EP 120,591) or pentaacetylglucose (PAG), which are perhydrolyzed to form a peracid as the
  • the hydrogen peroxide may also be present by adding an enzymatic system (i.e. an enzyme and a substrate therefore) which is capable of generating hydrogen peroxide at the beginning or during the washing and/or rinsing process.
  • an enzymatic system i.e. an enzyme and a substrate therefore
  • Such enzymatic systems are disclosed in EP Patent Application 91202655.6 filed October 9, 1991.
  • peroxygen bleaches suitable for the present invention include organic peroxyacids such as percarboxylic acids.
  • Bleaching agents other than oxygen bleaching agents are also known in the art and can be utilized herein.
  • One type of non-oxygen bleaching agent of particular interest includes photoactivated bleaching agents such as the sulfonated zinc and/or aluminum phthalocyanines. These materials can be deposited upon the substrate during the washing process. Upon irradiation with light, in the presence of oxygen, such as by hanging clothes out to dry in the daylight, the sulfonated zinc phthalocyanine is activated and, consequently, the substrate is bleached.
  • Preferred zinc phthalocyanine and a photoactivated bleaching process are described in U.S. Patent 4,033,718.
  • detergent compositions will contain about 0.025% to about 1.25%, by weight, of sulfonated zinc phthalocyanine.
  • the compositions according to the present invention comprise a clay. It has been found that the selected alkyl polyether glyceryl sulfates/sulfonates according to the present invention are very compatible with the clays in that the dye transfer inhibiting properties of the polymers are not adversely affected by the presence of clays formulated therewith. In addition, it has been found that the softening performance of clays formulated with the selected alkyl polyether glyceryl sulfates/sulfonates has been maintained. Especially suitable are clays such as fabric softening clays which are described in EP 0 522 206.
  • the compositions according to the present invention may further comprise a builder system.
  • Any conventional builder system is suitable for use herein including aluminosilicate materials, silicates, polycarboxylates and fatty acids, materials such as ethylenediamine tetraacetate, metal ion sequestrants such as aminopolyphosphonates, particularly ethylenediamine tetramethylene phosphonic acid and diethylene triamine pentamethylenephosphonic acid.
  • phosphate builders can also be used herein.
  • Suitable builders can be an inorganic ion exchange material, commonly an inorganic hydrated aluminosilicate material, more particularly a hydrated synthetic zeolite such as hydrated zeolite A, X, B or HS.
  • SKS-6 is a crystalline layered silicate consisting of sodium silicate (Na 2 Si 2 O 5 ).
  • Suitable polycarboxylates containing one carboxy group include lactic acid, glycolic acid and ether derivatives thereof as disclosed in Belgian Patent Nos. 831,368, 821,369 and 821,370.
  • Polycarboxylates containing two carboxy groups include the water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycollic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates described in German Offenlegenschrift 2,446,686, and 2,446,687 and U.S. Patent No. 3,935,257 and the sulfinyl carboxylates described in Belgian Patent No. 840,623.
  • Polycarboxylates containing three carboxy groups include, in particular, water-soluble citrates, aconitrates and citraconates as well as succinate derivatives such as the carboxymethyloxysuccinates described in British Patent No. 1,379,241, lactoxysuccinates described in Netherlands Application 7205873, and the oxypolycarboxylate materials such as 2-oxa-1,1,3-propane tricarboxylates described in British Patent No. 1,387,447.
  • Polycarboxylates containing four carboxy groups include oxydisuccinates disclosed in British Patent No. 1,261,829, 1,1,2,2-ethane tetracarboxylates, 1 ,1,3,3-propane tetracarboxylates and 1,1,2,3-propane tetracarboxylates.
  • Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives disclosed in British Patent Nos. 1,398,421 and 1,398,422 and in U.S. Patent No. 3,936,448, and the sulfonated pyrolysed citrates described in British Patent No. 1,082,179, while polycarboxylates containing phosphone substituents are disclosed in British Patent No. 1,439,000.
  • Alicyclic and heterocyclic polycarboxylates include cyclopentane-cis, cis, cis-tetracarboxylates,
  • Aromatic polycarboxylates include mellitic acid, pyromellitic acid and the phtalic acid derivatives disclosed in British Patent No. 1,425,343.
  • the preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecule, more particularly citrates.
  • Preferred builder systems for use in the present compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A or of a layered silicate (sks/6), and a water-soluble carboxylate chelating agent such as citric acid.
  • a suitable chelant for inclusion in the detergent compositions in accordance with the invention is ethylenediamine-N,N'-disuccinic acid (EDDS) or the alkali metal, alkaline earth metal, ammonium, or substituted ammonium salts thereof, or mixtures thereof.
  • EDDS compounds are the free acid form and the sodium or magnesium salt thereof. Examples of such preferred sodium salts of EDDS include Na 2 EDDS and Na 4 EDDS. Examples of such preferred magnesium salts of EDDS include MgEDDS and Mg 2 EDDS. The magnesium salts are the most preferred for inclusion in compositions in accordance with the invention.
  • suitable fatty acid builders for use herein are saturated or unsaturated C10-18 fatty acids, as well as the corresponding soaps.
  • Preferred saturated species have from 12 to 16 carbon atoms in the alkyl chain.
  • the preferred unsaturated fatty acid is oleic acid.
  • These fatty acids have also excellent suds suppressing activities and can be used in combination with silicones.
  • Preferred builder systems for use in granular compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A, and a watersoluble carboxylate chelating agent such as citric acid.
  • Suitable water-soluble organic salts are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
  • Polymers of this type are disclosed in GB-A-1, 596, 756.
  • Examples of such salts are polyacrylates of MW 2000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 20,000 to 70,000, especially about 40,000.
  • Detergency builder salts are normally included in amounts of from 10% to 80% by weight of the composition preferably from 20% to 70% and most usually from 30% to 60% by weight.
  • Highly preferred detergent ingredient to be combined with the alkyl polyether glyceryl sulfates/sulfonates is a suds suppressor, exemplified by silicones, and silicasilicone mixtures.
  • Silicones can be generally represented by alkylated polysiloxane materials while silica is normally used in finely divided forms exemplified by silica aerogels and xerogels and hydrophobic silicas of various types. These materials can be incorporated as particulates in which the suds suppressor is advantageously releasably incorporated in a water-soluble or water-dispersible, substantially non-surface-active detergent impermeable carrier.
  • the suds suppressor can be dissolved or dispersed in a liquid carrier and applied by spraying on to one or more of the other components.
  • a preferred silicone suds controlling agent is disclosed in Bartollota et al. U.S. Patent 3 933 672.
  • Other particularly useful suds suppressors are the self- emulsifying silicone suds suppressors, described in German Patent Application DTOS 2 646 126 published April 28, 1977.
  • An example of such a compound is DC-544, commercially available from Dow Corning, which is a siloxane-glycol copolymer.
  • Especially preferred suds controlling agent are the suds suppressor system comprising a mixture of silicone oils and 2-alkyl-alcanols. Suitable 2-alkyl-alcanols are 2-butyl-octanol which are commercially available under the trade name Isofol 12 R.
  • compositions can comprise a silicone/silica mixture in combination with fumed nonporous silica such as Aerosil R .
  • the suds suppressors described above are normally employed at levels of from 0.001% to 2% by weight of the composition, preferably from 0.01% to 1% by weight.
  • detergent compositions may be employed, such as soil-suspending agents soil-release agents, optical brighteners, abrasives, bactericides, tarnish inhibitors, coloring agents, and/or encapsulated or non-encapsulated perfumes.
  • Antiredeposition and soil suspension agents suitable herein include cellulose derivatives such as methylcellulose, carboxymethylcellulose and hydroxyethylcellulose, and homo- or co-polymeric polycarboxylic acids or their salts.
  • Polymers of this type include the polyacrylates and maleic anhydride-acrylic acid copolymers previously mentioned as builders, as well as copolymers of maleic anhydride with ethylene, methylvinyl ether or methacrylic acid, the maleic anhydride constituting at least 20 mole percent of the copolymer. These materials are normally used at levels of from 0.5% to 10% by weight, more preferably from 0.75% to 8%, most preferably from 1% to 6% by weight of the composition.
  • Preferred optical brighteners are anionic in character, examples of which are disodium 4,4 1 -bis-(2-diethanolamino-4-anilino -s- triazin-6-ylamino) stilbene-2.2 1 disulphonate, disodium 4, - 4 1 -bis-(2-morpholino-4-anilino-s-triazin-6-ylaminostilbene-2:2 1 - disulphonate, disodium 4,4 1 - bis-(2,4-dianilino-s-triazin-6-ylamino)stilbene-2:2 1 - disulphonate, monosodium 4 1 ,4 11 -bis-(2,4-dianilino-s-triazin-6 ylamino) stilbene-2-sulphonate, disodium 4,4 1 -bis-(2-anilino-4-(N-methyl-N-2-hydroxyethylamino)-s-triazin-6-ylamino)stilbene-2,2 1
  • disulphonate disodium 4,4 1 -bis-(4-phenyl-2,1,3-triazol-2-yl)-stilbene-2,2 1 disulphonate, disodium 4,4 1 bis(2-anilino-4-(1-methyl-2-hydroxyethylamino)-s-triazin-6-ylamino)stilbene-2,2 1 disulphonate and sodium 2(stilbyl-4 11 -(naphtho-1 1 ,2 1 :4,5)-1,2,3 - triazole-2 11 -sulphonate.
  • polyethylene glycols particularly those of molecular weight 1000-10000, more particularly 2000 to 8000 and most preferably about 4000. These are used at levels of from 0.20% to 5% more preferably from 0.25% to 2.5% by weight.
  • Soil release agents useful in compositions of the present invention are conventionally copolymers or terpolymers of terephthalic acid with ethylene glycol and/or propylene glycol units in various arrangements. Examples of such polymers are disclosed in the commonly assigned US Patent Nos. 4116885 and 4711730 and European Published Patent Application No. 0 272 033.
  • a particular preferred polymer in accordance with EP-A-0 272 033 has the formula
  • modified polyesters as random copolymers of dimethyl terephtalate, dimethyl sulfoisophtalate, ethylene glycol and 1-2 propane diol, the end groups consisting primarily of sulphobenzoate and secondarily of mono esters of ethylene glycol and/or propane-diol.
  • the target is to obtain a polymer capped at both end by sulphobenzoate groups, "primarily", in the present context most of said copolymers herein will be end- capped by sulphobenzoate groups.
  • some copolymers will be less than fully capped, and therefore their end groups may consist of monoester of ethylene glycol and/or propane 1-2 diol, thereof consist “secondarily” of such species.
  • the selected polyesters herein contain about 46% by weight of dimethyl terephtalic acid, about 16% by weight of propane -1.2 diol, about 10% by weight ethylene glycol about 13% by weight of dimethyl sulfobenzoid acid and about 15% by weight of sulfoisophtalic acid, and have a molecular weight of about 3.000.
  • the polyesters and their method of preparation are described in detail in EPA 311 342.
  • the detergent compositions according to the invention can be in liquid, paste, gels or granular forms.
  • detergent compositions having a pH between 7-11, more preferably a pH between 9-10.5.
  • Granular compositions according to the present invention can also be in "compact form", i.e. they may have a relatively higher density than conventional granular detergents, i.e. from 550 to 950 g/l; in such case, the granular detergent compositions according to the present invention will contain a lower amount of "inorganic filler salt", compared to conventional granular detergents; typical filler salts are alkaline earth metal salts of sulphates and chlorides, typically sodium sulphate; "compact” detergents typically comprise not more than 10% filler salt.
  • the liquid compositions according to the present invention can also be in "concentrated form", in such case, the liquid detergent compositions according to the present invention will contain a lower amount of water, compared to conventional liquid detergents.
  • the water content of the concentrated liquid detergent is less than 30%, more preferably less than 20%, most preferably less than 10% by weight of the detergent compositions.
  • Other examples of liquid compositions are anhydrous compositions containing substantially no water. Both aqueous and non-aqueous liquid compositions can be structured or non-structured.
  • the process comprises contacting fabrics with a laundering solution as hereinbefore described.
  • the process of the invention is conveniently carried out in the course of the washing process.
  • the washing process is preferably carried out at 5 °C to 75 °C, especially 20 to 60, but the polymers are effective at up to 95 °C and higher temperatures.
  • the pH of the treatment solution is preferably from 7 to 11, especially from 7.5 to 10.5.
  • the process and compositions of the invention can also be used as detergent additive products.
  • Such additive products are intended to supplement or boost the performance of conventional detergent compositions.
  • a liquid detergent composition according to the present invention is prepared, having the following compositions :
  • a liquid detergent composition according to the present invention is prepared, having the following compositions :
  • a compact granular detergent composition according to the present invention is prepared, having the following formulation:
  • a compact granular detergent composition according to the present invention is prepared, having the following formulation:
  • compositions (Example I, II (A/B/C/D) and III, IV (A/B/C/D/E)) were very good at displaying excellent cleaning and detergency performance.

Abstract

La présente invention concerne des compositions détergentes liquides contenant des sulfates/sulfonates de glycéryl polyether alkyle choisis et combinés à des ingrédients détergents spécifiques.
EP95941343A 1995-10-30 1995-10-30 Compositions detergentes liquides pour la lessive contenant des sulfates/sulfonates de glyceryl polyether alkyle Withdrawn EP0863967A1 (fr)

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WO2006041740A1 (fr) * 2004-10-08 2006-04-20 The Procter & Gamble Company Melange de tensioactifs oligomeres constitues de sulfonate et/ou de sulfate d'alkylglyceryle, et composition detergente comprenant ce melange
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US2999068A (en) * 1959-04-27 1961-09-05 Procter & Gamble Personal use detergent lotion
CA715522A (en) * 1962-06-29 1965-08-10 Wyandotte Chemicals Corporation Polyether hydroxysulfonate surface active agents
US3928249A (en) * 1972-02-07 1975-12-23 Procter & Gamble Liquid detergent composition
US4217296A (en) * 1978-07-24 1980-08-12 Fmc Corporation Alkyl glyceryl ether sulfate salts and process for their preparation
US4565647B1 (en) * 1982-04-26 1994-04-05 Procter & Gamble Foaming surfactant compositions
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EP0193386A3 (fr) * 1985-02-28 1989-05-24 The Procter & Gamble Company Compositions détergentes douces
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