WO1997023592A1 - Composition detergente - Google Patents

Composition detergente Download PDF

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Publication number
WO1997023592A1
WO1997023592A1 PCT/EP1996/004845 EP9604845W WO9723592A1 WO 1997023592 A1 WO1997023592 A1 WO 1997023592A1 EP 9604845 W EP9604845 W EP 9604845W WO 9723592 A1 WO9723592 A1 WO 9723592A1
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WO
WIPO (PCT)
Prior art keywords
detergent composition
composition according
detergent
nonionic surfactant
level
Prior art date
Application number
PCT/EP1996/004845
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English (en)
Inventor
Jonathan Frank Warr
Original Assignee
Unilever Plc
Unilever N.V.
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 Unilever Plc, Unilever N.V. filed Critical Unilever Plc
Priority to AU75660/96A priority Critical patent/AU7566096A/en
Publication of WO1997023592A1 publication Critical patent/WO1997023592A1/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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3776—Heterocyclic compounds, e.g. lactam
    • 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
    • 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 detergent composition and to a process for inhibiting dye transfer between fabrics during washing, in particular the invention relates to detergent compositions containing N- vinylimidazole N-vinylpyrrolidone copolymers.
  • a fabric treatment composition comprising an agent which could prevent the transfer of dye would therefore prove useful.
  • EP 462 806 discloses a domestic treatment of a fabric with a cationic dye fixing agent to reduce the amount of dye released from the fabric.
  • Suitable cationic dye fixing agents include the dimethyldiallyl ammonium chloride polymer.
  • the dye transfer inhibition agent is a polymer selected from polya ine N oxide containing polymers.
  • EP 0 327 927 (Procter and Gamble) describes a granular detergent additive comprising water-soluble polymeric compounds based on N-vinylpyrolidone and/or N- vinylimidazole and/or N-vinyloxazolidine and cationic compounds.
  • EP 0 635 566 Detergent compositions comprising a N-vinylimidazole N- vinylpyrolidone copolymer are disclosed in EP 0 635 566 (Procter and Gamble).
  • EP 0 635 566 teaches that surfactant systems excluding alkylbenzene sulphonate exhibit good dye transfer inhibition properties. However omission of LAS is detrimental to detergency.
  • the present invention has now found that dye transfer can be inhibited without loss of detergency by the use of selected levels of alkyl benzene sulphonate and a N- vinylimidazole N-vinylpyrrolidone copolymer.
  • the formulations of the present invention exhibit good oily and particulate soil removal.
  • the compositions also produce sufficient foam for use in automatic washing machines.
  • the inclusion of alkyl benzene sulphonate at specific ratios to nonionic surfactant surprisingly decreases the level of dye transfer between fabrics.
  • composition suitable for washing coloured fabrics, which composition comprises:
  • PVP/PVI N-vinylimidazole N-vinylpyrrolidone copolymer
  • organic surfactant system comprising
  • compositions of the invention will contain detergent- active compounds (surfactants) and generally detergency builders, and may optionally contain bleaching components and other active ingredients to enhance performance and properties. They also contain a dye transfer inhibiting N-vinylimidazole N-vinylpyrrolidine copolymer.
  • the detergent compositions of the invention will contain, as essential ingredients, two or more detergent-active compounds (surfactants) which may be chosen from soap and non-soap anionic, cationic, nonionic, amphoteric and zwitterionic detergent-active compounds, and mixtures thereof.
  • surfactants may be chosen from soap and non-soap anionic, cationic, nonionic, amphoteric and zwitterionic detergent-active compounds, and mixtures thereof.
  • suitable detergent-active compounds are available and are fully described in the literature, for example, in "Surface-Active Agents and Detergents", Volumes I and II, by Schwartz, Perry and Berch.
  • the preferred detergent-active compounds that can be used are soaps and synthetic non-soap anionic and nonionic compounds.
  • the detergent compositions of the invention contain alkyl benzene sulphonate as an essential ingredient. It is preferred if they contain linear alkylbenzene sulphonate, particularly linear alkylbenzene sulphonates having an alkyl chain length of C 8 -C 15 .
  • the level of alkylbenzene sulphonate is from 1 wt% to 20 wt%, more preferably 2 wt% to 15 wt%, most preferably from 2 wt% to 10 wt%.
  • the detergent compositions of the invention may contain other anionic surfactants in amounts additional to the percentages quoted above.
  • Suitable anionic surfactants are well-known to those skilled in the art. Examples include primary and secondary alkyl sulphates, particularly C 8 -C 15 primary alkyl sulphates; alkyl ether sulphates; olefin sulphonates; alkyl xylene sulphonates; dialkyl sulphosuccinates; and fatty acid ester sulphonates.
  • Sodium salts are generally preferred.
  • compositions of the invention also contain nonionic surfactant as an essential ingredient.
  • Nonionic surfactants that may be used include the primary and secondary alcohol ethoxylates, especially the C 8 -C 20 aliphatic alcohols ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C 10 -C 15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkylpolyglycosides, glycerol monoethers, and polyhydroxyamides (glucamide) .
  • the level of nonionic surfactant is from 2 wt% to 40 wt%, preferably from 10 wt% to 30 wt%.
  • the ratio of nonionic surfactant to alkylbenzene sulphonate is from 3:2 to 99:1, preferably 2:1 to 99:1, most preferably 3:1 to 90:1.
  • detergent-active compound surfactant
  • amount present will depend on the intended use of the detergent composition.
  • surfactant systems may be chosen, as is well known to the skilled formulator, for handwashing products and for products intended for use in different types of washing machine.
  • the total amount of surfactant present will also depend on the intended end use and may be as high as 60 wt%, for example, in a composition for washing fabrics by hand.
  • compositions for machine washing of fabrics an amount of from 5 to 40 wt% is generally appropriate.
  • Detergent compositions suitable for use in most automatic fabric washing machines generally contain anionic non-soap surfactant, or nonionic surfactant, or combinations of the two in any ratio, optionally together with soap.
  • the present invention comprises as an essential detergent ingredient a polymer selected from the N-vinylimidazole N-vinylpyrrolidone copolymers.
  • the N-vinylimidazole N-vinylpyrrolidone polymers have an average molecular weight range from 5000-1,000,000, preferably from 20,000 - 200,000.
  • Highly preferred polymers for use in detergent compositions according to the present invention comprise a polymer selected from N-vinylimidazole N-vinylpyrrolidone copolymers wherein said polymer has an average molecular weight range from 5,000 to 200,000 more preferably from 10,000 to 100,000, most preferably from 20,000 to 70,000.
  • the average molecular weight range can be determined by light scattering as described in Barth H.G. and Mays J.W. Chemical Analysis Vol 113. "Modern Methods of Polymer Characterisation” .
  • N-vinylimidazole N-vinylpyrrolidone copolymers characterised by having said average molecular weight range provide excellent dye transfer inhibiting properties while not adversely affecting the cleaning performance of detergent compositions formulated therewith.
  • the N-vinylimidazole N-vinylpyrrolidone copolymer of the present invention has a molar ratio of N-vinylimidazole to N-vinylpryrrolidone from 5 to 0.2.
  • the N-vinylimidazole N-vinylpyrrolidone copolymers can be linear or branched.
  • the level of the N-vinylimidazole N- vinylpryrrolidone present in the detergent compositions is from 0.01 to 10%, more preferably from 0.05 to 5%, most preferably form 0.1 to 1% by weight of the detergent composition.
  • N-vinylimidazole N-vinylpyrrolidone copolymers can be used in conjunction with other dye transfer inhibiting polymers or copolymers (e.g. polyvinyl pryrolidone or polyvinyl pyridine N-oxide) .
  • Detergency Builders e.g. polyvinyl pryrolidone or polyvinyl pyridine N-oxide
  • the detergent compositions of the invention will generally also contain one or more detergency builders.
  • the total amount of detergency builder in the compositions will suitably range from 5 to 80 wt%, preferably from 10 to 60 wt%.
  • Inorganic builders that may be present include sodium carbonate, if desired in combination with a crystallisation seed for calcium carbonate, as disclosed in GB 1 437 950 (Unilever) ; crystalline and amorphous aluminosilicates, for example, zeolites as disclosed in GB 1 473 201 (Henkel) , amorphous aluminosilicates as disclosed in GB 1 473 202 (Henkel) and mixed crystalline/amorphous aluminosilicates as disclosed in GB 1 470 250 (Procter & Gamble); and layered silicates as disclosed in EP 164 514B (Hoechst).
  • Inorganic phosphate builders for example, sodium orthophosphate, pyrophosphate and tripolyphosphate are also suitable for use with this invention.
  • the detergent compositions of the invention preferably contain an alkali metal, preferably sodium, aluminosilicate builder.
  • Sodium aluminosilicates may generally be incorporated in amounts of from 10 to 70% by weight (anhydrous basis), preferably from 25 to 50 wt%.
  • the alkali metal aluminosilicate may be either crystalline or amorphous or mixtures thereof, having the general formula:
  • the preferred sodium aluminosilicates contain 1.5-3.5 Si0 2 units (in the formula above). Both the amorphous and the crystalline materials can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • Suitable crystalline sodium aluminosilicate ion-exchange detergency builders are described, for example, in GB 1 429 143 (Procter & Gamble).
  • the preferred sodium aluminosilicates of this type are the well-known commercially available zeolites A and X, and mixtures thereof.
  • the zeolite may be the commercially available zeolite 4A now widely used in laundry detergent powders.
  • the zeolite builder incorporated in the compositions of the invention is maximum aluminium zeolite P (zeolite MAP) as described and claimed in EP 384 070A (Unilever) .
  • Zeolite MAP is defined as an alkali metal aluminosilicate of the zeolite P type having a silicon to aluminium ratio not exceeding 1.33, preferably within the range of from 0.90 to 1.33, and more preferably within the range of from 0.90 to 1.20.
  • zeolite MAP having a silicon to aluminium ratio not exceeding 1.07, more preferably about 1.00.
  • the calcium binding capacity of zeolite MAP is generally at least 150 mg CaO per g of anhydrous material
  • Organic builders that may be present include polycarboxyla e polymers such as polyacrylates, acrylic/maleic copolymers, and acrylic phosphinates; monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-, di- and trisuccinates, carboxymethyloxysuccinates, carboxymethyloxymalonates, dipicolinates, hydroxyethyliminodiacetates, alkyl- and alkenylmalonates and succinates; and sulphonated fatty acid salts. This list is not intended to be exhaustive.
  • polycarboxyla e polymers such as polyacrylates, acrylic/maleic copolymers, and acrylic phosphinates
  • monomeric polycarboxylates such as citrates, gluconates, oxydisuccinates, glycerol mono-, di- and trisuccinates, carboxymethyloxysuccinates, carboxymethyloxymalonates, dipicol
  • Especially preferred organic builders are citrates, suitably used in amounts of from 5 to 30 wt%, preferably from 10 to 25 wt%; and acrylic polymers, more especially acrylic/maleic copolymers, suitably used in amounts of from 0.5 to 15 wt%, preferably from 1 to 10 wt%.
  • Builders both inorganic and organic, are preferably present in alkali metal salt, especially sodium salt, form.
  • Detergent compositions according to the invention may also suitably contain a bleach system.
  • Fabric washing compositions may desirably contain peroxy bleach compounds, for example, inorganic persalts or organic peroxyacids, capable of yielding hydrogen peroxide in aqueous solution.
  • Suitable peroxy bleach compounds include organic peroxides such as urea peroxide, and inorganic persalts such as the alkali metal perborates, percarbonates, perphosphates, persilicates and persulphates.
  • organic peroxides such as urea peroxide
  • inorganic persalts such as the alkali metal perborates, percarbonates, perphosphates, persilicates and persulphates.
  • Preferred inorganic persalts are sodium perborate monohydrate and tetrahydrate, and sodium percarbonate.
  • sodium percarbonate having a protective coating against destabilisation by moisture Especially preferred is sodium percarbonate having a protective coating against destabilisation by moisture.
  • Sodium percarbonate having a protective coating comprising sodium metaborate and sodium silicate is disclosed in GB 2 123 044B (Kao) .
  • the peroxy bleach compound is suitably present in an amount of from 0.1 to 35 wt%, preferably from 0.5 to 25 wt%.
  • the peroxy bleach compound may be used in conjunction with a bleach activator (bleach precursor) to improve bleaching action at low wash temperatures.
  • the bleach precursor is suitably present in an amount of from 0.1 to 8 wt%, preferably from 0.5 to 5 wt%.
  • Preferred bleach precursors are peroxycarboxylic acid precursors, more especially peracetic acid precursors and pernoanoic acid precursors.
  • Especially preferred bleach precursors suitable for use in the present invention are N,N,N' ,N'-tetracetyl ethylenediamine (TAED) and sodium noanoyloxybenzene sulphonate (SNOBS) .
  • TAED N,N,N' ,N'-tetracetyl ethylenediamine
  • SNOBS sodium noanoyloxybenzene sulphonate
  • the novel quaternary ammonium and phosphonium bleach precursors disclosed in US 4 751 015 and US 4 818 426 (Lever Brothers Company) and EP 402 971A(Unilever) , and the cationic bleach precursors disclosed in EP 284 292A and EP 303 520A (Kao) are also of interest.
  • the bleach system can be either supplemented with or replaced by a peroxyacid.
  • peracids can be found in US 4 686 063 and US 5 397 501 (patent on TPCAP - Unilever) .
  • a preferred example is the imido peroxycarboxylic class of peracids described in EP A 325 288, EP A 349 940, DE 382 3172 and EP 325 289.
  • a particularly preferred example is phtalimido peroxy caproic acid (PAP) .
  • PAP phtalimido peroxy caproic acid
  • Such peracids are suitably present at 0.1 - 12%, preferably 0.5 - 10%.
  • a bleach stabiliser may also be present.
  • Suitable bleach stabilisers include ethylenediamine tetraacetate (EDTA) , the polyphosphonates such as Dequest (Trade Mark) and non-phosphate stabilisers such as EDDS (ethylene diamine di-succinic acid) .
  • EDTA ethylenediamine tetraacetate
  • Dequest Trade Mark
  • EDDS ethylene diamine di-succinic acid
  • An especially preferred bleach system comprises a peroxy bleach compound (preferably sodium percarbonate optionally together with a bleach activator) , and a transition metal bleach catalyst as described and claimed in EP 458 397A, EP 458 398A and EP 509 787A (Unilever) .
  • a peroxy bleach compound preferably sodium percarbonate optionally together with a bleach activator
  • a transition metal bleach catalyst as described and claimed in EP 458 397A, EP 458 398A and EP 509 787A (Unilever) .
  • Suitable enzymes include the proteases, amylases, cellulases, oxidases, peroxidases and lipases usable for incorporation in detergent compositions.
  • Preferred proteolytic enzymes are, catalytically active protein materials which degrade or alter protein types of stains when present as in fabric stains in a hydrolysis reaction. They may be of any suitable origin, such as vegetable, animal, bacterial or yeast origin.
  • proteolytic enzymes or proteases of various qualities and origins and having activity in various pH ranges of from 4-12 are available and can be used in the instant invention.
  • suitable proteolytic enzymes are the subtilisins, which are obtained from particular strains of B_. subtilis and _. licheniformis. such as the commercially available subtilisins Maxatase (Trade Mark) , as supplied by Gist-Brocades N.V. , Delft, Holland, and Alcalase (Trade Mark), as supplied by Novo Industri A/S, Copenhagen, Denmark.
  • subtilisins such as the commercially available subtilisins Maxatase (Trade Mark) , as supplied by Gist-Brocades N.V. , Delft, Holland, and Alcalase (Trade Mark), as supplied by Novo Industri A/S, Copenhagen, Denmark.
  • Particularly suitable is a protease obtained from a strain of Bacillus having maximum activity throughout the pH range of 8-12, being commercially available
  • Detergency enzymes are commonly employed in granular form in amounts of from about 0.1 to about 3.0 wt%.
  • compositions of the invention may contain alkali metal, preferably sodium, carbonate, in order to increase detergency and ease processing.
  • Sodium carbonate may suitably be present in amounts ranging from 1 to 60 wt%, preferably from 2 to 40 wt%.
  • compositions containing little or no sodium carbonate are also within the scope of the invention.
  • Powder flow may be improved by the incorporation of a small amount of a powder structurant, for example, a fatty acid (or fatty acid soap) , a sugar, an acrylate or acrylate/maleate polymer, or sodium silicate.
  • a powder structurant for example, a fatty acid (or fatty acid soap) , a sugar, an acrylate or acrylate/maleate polymer, or sodium silicate.
  • One preferred powder structurant is fatty acid soap, suitably present in an amount of from 1 to 5 wt%.
  • detergent compositions of the invention include sodium silicate; antiredeposition agents such as cellulosic polymers; inorganic salts such as sodium sulphate; lather control agents or lather boosters as appropriate; proteolytic and lipolytic enzymes; dyes; coloured speckles; perfumes; foam controllers; fabric softening compounds, fluorescers and decoupling polymers. This list is not intended to be exhaustive.
  • soil release polymers are present as they enhance the dye transfer inhibition particularly preferred are soil release polymers based on sulphonated non-end-capped polyester of telephtholic acid, sulphoisophthalic acid and ethylene glycol, (as disclosed in WO 95/32997 A (Rhone Poulenc) ) .
  • the detergent composition when diluted in the wash liquor (during a typical wash cycle) will give a pH of the wash liquor from 7 to 10.5.
  • the detergent components of the present invention may be incorporated in detergent compositions of all physical types, for example, powders, liquids, gels and solid bars.
  • Detergent compositions of the invention may be prepared by any suitable method.
  • Particulate detergent compositions are suitably prepared by spray-drying a slurry of compatible heat-insensitive ingredients, and then spraying on or postdosing those ingredients unsuitable for processing via the slurry.
  • Particulate detergent compositions of the invention preferably have a bulk density of at least 400 g/1, more preferably at least 500 g/1.
  • compositions have bulk densities of at least 650 g/litre, more preferably at least 700 g/litre.
  • Such powders may be prepared either by post-tower densification of spray-dried powder, or by wholly non- tower methods such as dry mixing and granulation; in both cases a high-speed mixer/granulator may advantageously be used.
  • Liquid detergent compositions can be prepared by admixing the essential and optional ingredients thereof in any desired order to provide compositions containing components in the requisite concentrations.
  • Liquid compositions according to the present invention can also be in compact form which means it will contain a lower level of water compared to a conventional liquid detergent.
  • wash solution 100 ml of wash solution was prepared using demineralised water, containing lOuM/1 of dye, such that 43.5 mg/1 of PVP/PVI was dissolved and lg/1 of the total level of surfactant was dissolved in the wash solution.
  • a white cotton swatch 2.5g, 13 X 13 cm white desized mercerised cotton sheeting
  • the fabrics were agitated in the wash solution for 30 minutes.
  • the fabrics were rinsed in demineralised water twice, spun dried, then tumble dried.
  • the reflectance values of the dry clothes were measured on an ICS Texicon Spectraflash 500 (Trademark) spectrophotometer.
  • compositions were made up with the linear alkylbenzene sulphonate (LAS) /nonionic ratios listed in table 1:
  • a nonionic 1 1.37 2.02
  • a lower ⁇ E indicates a lesser degree of colour transfer from the water to the cloth, therefore a low value is desirable.
  • CLBA cocolactobionamide
  • compositions were prepared according to table 2.
  • Test cloths washed in a standard wash with Example 6 showed less dye transfer using a range of dyes and better stain removal, than when washed with Example G.
  • the polymer in accordance with the invention used (Polymer 1) was a water-soluble sulphonated polyester of terephthalic acid, isophthalic acid, sulphoisophthalic acid and ethylene glycol having the following approximate composition:
  • diacidic monomer comprising approximately 77 mole% terephthalate, 3.7 mole% isophthalate, 18.2 mole% sulphoisophthalate;
  • a soil release polymer can further enhance the antidye transfer effect of PVP/PVI.

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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)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne une composition détergente pour laver le linge de couleur. La composition contient: (a) un copolymère N-vinylimidazole/N-vinylpyrrolidone (PVP/PVI) en une quantité suffisante pour inhiter le transfert de couleurs entre les tissus durant le lavage (b) un système de tensioactif organique comprenant (i) un tensioactif non ionique et (ii) un alkylbenzène sulfonate, le rapport de (i) sur (ii) se situant entre 3: 2 et 99: 1.
PCT/EP1996/004845 1995-12-21 1996-11-06 Composition detergente WO1997023592A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU75660/96A AU7566096A (en) 1995-12-21 1996-11-06 A detergent composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9526180.6A GB9526180D0 (en) 1995-12-21 1995-12-21 A detergent composition
GB9526180.6 1995-12-21

Publications (1)

Publication Number Publication Date
WO1997023592A1 true WO1997023592A1 (fr) 1997-07-03

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PCT/EP1996/004845 WO1997023592A1 (fr) 1995-12-21 1996-11-06 Composition detergente

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AR (1) AR005108A1 (fr)
AU (1) AU7566096A (fr)
GB (1) GB9526180D0 (fr)
ID (1) ID16082A (fr)
WO (1) WO1997023592A1 (fr)
ZA (1) ZA969822B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997045517A1 (fr) * 1996-05-29 1997-12-04 Basf Aktiengesellschaft Utilisation de copolymerisats solubles dans l'eau contenant des unites n-vinylimidazol comme inhibiteurs de transfert de couleurs dans des detergents
WO2002050228A1 (fr) * 2000-12-19 2002-06-27 Unilever Plc Composition de traitement de taches
WO2003038029A1 (fr) * 2001-11-01 2003-05-08 Unilever N.V. Compositions de detergent liquides
CN100465798C (zh) * 2001-07-05 2009-03-04 东京应化工业株式会社 光刻胶层中减小图案尺寸的方法
EP1891194B1 (fr) * 2005-06-15 2012-03-21 Basf Se Procede de blanchissage destine a blanchir des textiles synthetiques

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262897A2 (fr) * 1986-10-01 1988-04-06 Unilever Plc Composition détergente
EP0372291A1 (fr) * 1988-11-28 1990-06-13 Henkel Kommanditgesellschaft auf Aktien Procédé de lavage de matières textiles susceptibles de déteindre
WO1992004437A1 (fr) * 1990-09-01 1992-03-19 Henkel Kommanditgesellschaft Auf Aktien Produit de lavage liquide empechant la decoloration
EP0635566A1 (fr) * 1993-07-23 1995-01-25 The Procter & Gamble Company Compositions détergentes empêchant le transfert de colorant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262897A2 (fr) * 1986-10-01 1988-04-06 Unilever Plc Composition détergente
EP0372291A1 (fr) * 1988-11-28 1990-06-13 Henkel Kommanditgesellschaft auf Aktien Procédé de lavage de matières textiles susceptibles de déteindre
WO1992004437A1 (fr) * 1990-09-01 1992-03-19 Henkel Kommanditgesellschaft Auf Aktien Produit de lavage liquide empechant la decoloration
EP0635566A1 (fr) * 1993-07-23 1995-01-25 The Procter & Gamble Company Compositions détergentes empêchant le transfert de colorant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BASF: "37726 : USE OF CROSSLINKED COPOLYMERS AS COLOR TRANSFER INHIBITORS IN DETERGENTS", RESEARCH DISCLOSURE, no. 377, 1 September 1995 (1995-09-01), EMSWORTH ,GB, pages 609 - 611, XP000536199 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997045517A1 (fr) * 1996-05-29 1997-12-04 Basf Aktiengesellschaft Utilisation de copolymerisats solubles dans l'eau contenant des unites n-vinylimidazol comme inhibiteurs de transfert de couleurs dans des detergents
US6172027B1 (en) 1996-05-29 2001-01-09 Basf Aktiengesellschaft Use of water-soluble copolymers comprising N-vinylimidazole units as color transfer inhibitors in detergents
WO2002050228A1 (fr) * 2000-12-19 2002-06-27 Unilever Plc Composition de traitement de taches
CN100465798C (zh) * 2001-07-05 2009-03-04 东京应化工业株式会社 光刻胶层中减小图案尺寸的方法
WO2003038029A1 (fr) * 2001-11-01 2003-05-08 Unilever N.V. Compositions de detergent liquides
US6894017B2 (en) 2001-11-01 2005-05-17 Unilever Home & Personal Care Usa, A Division Of Conopco, Inc. Liquid detergent compositions
EP1891194B1 (fr) * 2005-06-15 2012-03-21 Basf Se Procede de blanchissage destine a blanchir des textiles synthetiques

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Publication number Publication date
AU7566096A (en) 1997-07-17
ZA969822B (en) 1998-05-22
ID16082A (id) 1997-09-04
GB9526180D0 (en) 1996-02-21
AR005108A1 (es) 1999-04-14

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