EP1987123A1 - Composition d'entretien liquide pour l'azurage - Google Patents

Composition d'entretien liquide pour l'azurage

Info

Publication number
EP1987123A1
EP1987123A1 EP07703401A EP07703401A EP1987123A1 EP 1987123 A1 EP1987123 A1 EP 1987123A1 EP 07703401 A EP07703401 A EP 07703401A EP 07703401 A EP07703401 A EP 07703401A EP 1987123 A1 EP1987123 A1 EP 1987123A1
Authority
EP
European Patent Office
Prior art keywords
liquid detergent
alkyl
detergent formulation
formulation according
laundry liquid
Prior art date
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.)
Withdrawn
Application number
EP07703401A
Other languages
German (de)
English (en)
Inventor
Stephen Norman Batchelor
Jayne Michelle Bird
Carol Meacock
Dawn Rigby
Jacqueline Willaims
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36660781&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1987123(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to EP07703401A priority Critical patent/EP1987123A1/fr
Publication of EP1987123A1 publication Critical patent/EP1987123A1/fr
Withdrawn legal-status Critical Current

Links

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
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • 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 concerns maintaining sort chain non- charged dyes in a laundry liquid composition and reducing precipitation thereof in combination with increased deposition of the dye to a substrate.
  • solvent blue 58 a hydrophobic anthraquinone dye containing a C8 chain at levels of 0.005 to 0.025 wt % in a laundry liquid formulation.
  • the long alkyl chain i.e. the C8 , helps to solubilise the dye in the liquid formulation.
  • the long chain effectively interacts with the alkyl chains of the surfactant reducing precipitation of the dye over time.
  • the formulation also contains a hydrotrope to solubilise the dye.
  • Solvent blue 58 is of the following
  • JP 2004/210961 discloses the use of anthraquinone dyes in a liquid detergent composition purely for enhancing the aesthetic appearance of the liquid detergent composition.
  • the compositions comprise alkanolamine, an anionic surfactant and a non-ionic surfactant.
  • alcohol is present as a solubilising agent for the dye, i.e., 5 wt % of ethanol is present.
  • propylene glycol is also present to facilitate solubility of the dye.
  • Shading dyes impart a colour to a textile.
  • the dyes are substantive to the textile and preferably are blue of violet in order to give a perception of whiteness. This perception of whiteness is of importance as textile clothing ages.
  • Hydrophobic dyes are used to shade synthetic garments.
  • the shading dye need to remain solubilised as best as possible in the liquid formulation from the time of production to the time of use in the home. Even in the presence of surfactants hydrophobic dyes precipitate from solution with time. The liquid formulations of the present invention reduce this precipitation.
  • a surfactant mixture comprising: (i) a non-ionic surfactant; and (ii) a anionic surfactant selected from the group consisting of: linear alkyl benzene sulphonate, alkyl sulphate, and alkyl ethoxylated sulphate,
  • a fluorescent agent selected from: sodium 2 (4-styryl-3 -sulfophenyl) -2H-napthol [1 , 2- djtriazole, disodium 4 , 4 ' -bis ⁇ [ (4-anilino-6- (N methyl-iV- 2 hydroxyethyl) amino 1 , 3 , 5-triazin-2- yl) ] amino ⁇ stilbeno-2-2 ' disulfonate, disodium 4,4'- bis [ (4-anilino-6-morpholino-l ,3,5-triazin-2-yl) amino] stilbene-2-2 ' disulfonate, and disodium 4,4 '-bis (2- sulfostyryl) biphenyl , and,
  • the balance adjuncts to 100 wt %, wherein the ratio of anionic surfactant to non- ionic surfactant is in the range from 0.5 to 1.5:1 and one of the selected anionic surfactants is present in 85 wt% excess of the total anionic surfactant content, wherein the hydrophobic dye is an anthraquinone dye of the following structure (I) :
  • Rl, R4 , R5 , and R8 are independently selected from the groups consisting of -H, -OH, -NH 2 , -NHR9, and -NO 2 , such that a maximum of only one -N02 group and a maximum of two - H are present as Rl, R4 , R5 , and R8 substituents;
  • R9 is an branched or linear Cl-C7-alkyl chain or an aryl group or substituted aryl groups, or a branched or linear Cl-C7-alkyl chain, the branched or linear Cl-C7-alkyl chain is preferably not substituted by an -OH group or -OMe;
  • R2, R3, R6, and R7 may be selected from -H, -F, -Br, -Cl, SO3aryl or -NO 2 , and -ORlO, wherein RlO is selected from the group consisting of branched or linear Cl-C7-alky
  • the invention provides a method of treating textile, comprising the steps of: a) diluting from 0.5 to 20 g of the liquid detergent formulation according to the present invention with 1 litre of water to form a diluted composition; b) treating the textile with the diluted composition; c) rinsing the textile with water; and d) drying the textile.
  • Treatment is preferably carried out in the domestic context, at temperature between 10 to 60 0 C, preferably 15 to 40 0 C.
  • the water present in the aqueous laundry liquid detergent formulation is preferably at a level of at least 40 wt%.
  • the selected anionic surfactant is present in 99 wt% excess of the total anionic surfactant content.
  • ratio of anionic surfactant to non- ionic surfactant is in the range from 0.75 to 1:1.
  • the dye level is in the range from 0.0002 to 0.004%.
  • the aqueous laundry liquid detergent formulation has less than 0.5 wt %, more preferably less than 0.05 wt% of a Cl to C4 alcohol or polyol .
  • the aqueous laundry liquid detergent formulation has less than 0.05 wt %, more preferably less than 0.005 wt% of an alkanolamines .
  • the liquid composition of the invention comprises from 10 to 50 wt%, preferably from 12 to 25 % by weight of a surfactant mixture .
  • Linear alkyl benzene sulphonates salts (LAS) , particularly Ci I -Ci 8 alkylbenzene sulphonates in the form of the sodium salt.
  • Alkyl sulphate surfactants are either primary or secondary.
  • Alkyl sulphates have the general formula ROSO 3 M wherein R is preferably a Ci O -C 24 hydrocarbyl, preferably an alkyl straight or branched chain or hydroxyalkyl having a Ci 0 -C 2O alkyl component, more preferably a Ci 2 -Ci 8 alkyl or hydroxyalkyl, and M is hydrogen or a water soluble cation, e.g., an alkali metal cation (e.g., sodium potassium, lithium) . Particularly preferred is sodium dodecyl sulphate (SDS) .
  • SDS sodium dodecyl sulphate
  • Alkyl ethoxylated sulphate surfactants are another category of preferred anionic surfactant. These surfactants are water soluble salts or acids typically of the formula RO (A) mS0 3 M wherein R is an unsubstituted Ci 0 -C 24 alkyl or hydroxyalkyl group having a Ci 0 -C 24 alkyl component, preferably a Ci 2 -C 20 alkyl or hydroxyalkyl, more preferably Ci 2 -Ci 8 alkyl or hydroxyalkyl, A is an ethoxy, m is greater than zero, typically between about 1 and 6, more preferably between 1 and 3, and M is hydrogen or a water soluble 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 Ci 0 -C 24 alkyl or hydroxyalkyl group having a
  • Exemplary surfactants are Ci 2 -Ci 8 alkyl polyethoxylate (1.0) sulphate, C i2 - Ci 8 alkyl polyethoxylate .(2.25) sulphate, C 12 -Ci 8 alkyl polyethoxylate (3.0) sulphate, and C 12 -Ci 8 alkyl polyethoxylate (4.0) sulphate wherein M is conveniently selected from sodium and potassium.
  • propoxylated sulphates may also be used.
  • Sodium lauryl ether sulphates are most preferred with one to three ethoxy groups.
  • Other non- ionic surfactant may be selected from C 6 -Ci 2 alkyl phenol alkoxylates (especially ethoxylates and mixed ethoxy/propoxy) , block alkylene oxide condensate of C 6 to C 12 alkyl phenols, alkylene oxide condensates of C 8 -C 22 alkanols and ethylene oxide/propylene oxide block polymers (PluronicTM-BASF Corp.) .
  • minor surfactants include cationics, soaps, betaines, alkylpolyglycosides, N-methyl glucomides . It is preferred that the minor surfactants are present at levels below 3 wt%.
  • Hydrophobic dyes are defined as organic compounds with a maximum extinction coefficient greater than 1000 L/mol/cm in the wavelength range of 400 to 750 nm and that are uncharged in aqueous solution at a pH in the range from 7 to 11.
  • the hydrophobic dyes are devoid of polar solubilising groups.
  • the hydrophobic dye does not contain any sulphonic acid, carboxylic acid, or quaternary ammonium groups .
  • hydrophobic dyes are found in the classes of solvent and disperse dyes . Mixtures of dyes may be used in the present invention.
  • Shading of white garments may be done with any colour depending on consumer preference.
  • Blue and Violet are particularly preferred shades and consequently preferred dyes or mixtures of dyes are ones that give a blue or violet shade on white polyester.
  • the dye(s) have a peak absorption wavelength of from 550nm to 650nm, preferably from 570nm to 630nm.
  • a combination of dyes may be used which together have the visual effect on the human eye as a single dye having a peak absorption wavelength on polyester of from 550nm to
  • 650nm preferably from 570nm to 630nm. This may be provide for example by mixing a red and green-blue dye to yield a blue or violet shade.
  • the anthraquinone dye used in the present invention does not have any single alkyl substituent, branched or linear, of more than C7.
  • the anthraquinone dye used in the present invention does not have single any alkyl substituent, branched or linear, of more than C5.
  • the anthraquinone dye used in the present invention does not have single any alkyl substituent, branched or linear, of more than C2.
  • R9 and/or RlO is a branched or linear alkyl chain then the chain has less than six carbon atoms and does not have an OH or OMe substituent .
  • Rl, R4 , R5 , and R8 are independently selected from the groups consisting of -H, -OH, -NH 2 , and - NO 2 , and R2 , R3 , R6 , and R7 is selected from -H, F, Br, Cl or -NO 2 , and -Oaryl . It is also preferred that the aryl is an optionally substituted phenyl. Of the Rl, R4 , R5 and R8 it is most preferred that is -OH and one is selected from -NH2 and -NHR9.
  • Most preferred dyes are disperse blue 56, solvent violet 13, disperse violet 26 and disperse violet 28.
  • disperse blue 87 and disperse blue 7 are excluded from the hydrophobic dye of the anthraquinone structure.
  • composition may also comprise between 0.0001 to 0.1 wt % of one or more other dyes selected from cotton substantive shading dyes of group consisting of : hydrolysed reactive dye,- acid dye; and direct dye.
  • one or more other dyes selected from cotton substantive shading dyes of group consisting of : hydrolysed reactive dye,- acid dye; and direct dye.
  • Example of preferred acid dyes are: acid blue 62, 40 and 290.
  • the aqueous liquid detergent formulation has a pH-value between 6 and 12, more preferably between 7 and 10, even more preferably between 7.5 and 9.5.
  • a pH jump system i.e. a system that increase the pH-value to above 7.5 on dilution with water, is beneficial for the cleaning performance of said composition.
  • the liquid detergent composition of the invention may additionally comprise builders, solvents, perfumes, sequestrants, polymers, preservatives, fluorescers, dyes, biocides, buffers, salts.
  • Suitable detergency builders as optional, but preferred, ingredients may also be present, as found in WO-00/34427.
  • One salt of particular interest is citrate, because of its additional builder and bleaching characteristics.
  • the liquid formulation of the present invention preferably comprises between 0.001 to 3% by weight of a perfume composition, more preferably between 0.1 to 2% by weight of a perfume composition.
  • Said perfume composition preferably comprises at least 0.01% by weight based on the liquid composition of a perfume component selected from terpenes, ketones, aldehydes and mixtures thereof.
  • the perfume composition may fully consist of the perfume component but generally the perfume composition is a complex mixture of perfumes of various differing perfume classifications.
  • the perfume composition preferably comprises 0.1 to 2% by weight of the perfume component.
  • the liquid detergent composition of the invention preferably comprise between 0.001 to 2% by weight of an antioxidant.
  • the antioxidant is present at a concentration in the range 0.01 to 0.08% by weight.
  • Anti-oxidants are substances as described in Kirk-Othmers (VoI 3, pg 424) and in Uhlmans Encyclopedia (VoI 3, pg 91) .
  • An example of a preferred antioxidant is BHT.
  • the laundry treatment composition comprises a fluorescent agent (optical brightener) .
  • a fluorescent agent optical brightener
  • Fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
  • the total amount of the fluorescent agent or agents used in laundry treatment composition is from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
  • Preferred fluorescers are: sodium 2 (4-styryl-3-sulfophenyl) -2H-napthol [1 , 2-d] triazole, disodium 4 , 4 ' -bis ⁇ [ (4-anilino-6- (N methyl-N-2 hydroxyethyl) amino 1 , 3 , 5-triazin-2-yl) ] amino ⁇ stilbeno-2-2 ' disulfonate, disodium 4,4 ' -bis [ (4-anilino-6-morpholino-l, 3,5-triazin-2- yl) amino] stilbene-2-2 ' disulfonate, and disodium 4,4'- bis (2-sulfostyryl) biphenyl . Examples
  • Model Liquid detergent composition were created containing 15% total surfactant and 0.0004% of the dye solvent violet 13.
  • the surfactants were chosen from LAS, SDS, SLES(IEO), SLES (3EO), and two non-ionic surfactants: non-ionic NI (7EO) - Neodol 25-7 which is a mixture of 12 to 15 carbon chain length alcohols with about 7 ethylene oxide groups per molecule and NI (9EO) - Neodol 25-9, a C12-13 mixture with about 9 moles of ethylene oxide.
  • the dye was added from a concentrated mix in the corresponding non- ionic of the formulation.
  • the detergents were left for 5 days then the UV-VIS spectrum measured using a 5cm cell.
  • the optical density at 590nm was recorded (maximum of the dye) and 750nm where there is negligible absorbance from the dye.
  • the base surfactant has negligible absorbance at 590 and 750nm.
  • the 750nm was made to measure scattering from dye particles that were not fully dissolved. These measurements are referred to as day 0.
  • %dye8 100* [OD (590nm, day 8) - OD (750 nm, day 8)]
  • the table shows that mixtures containing SLES (3E0) do not effectively solubilise the dye over long period of time.
  • Table 1.4 mixtures of SLES and non-ionic with medium levels of LAS or SDS .
  • the table shows that mixtures containing SLES (3E0) do not effectively solubilise the dye over long period of time.
  • Formula 2 [10% LAS; 10% NI(OEO); 4% alkalinity and stabilizers; 3% sodium silicate; 0.005% solvent violet 13; ⁇ 2% minors; remainder water] .
  • UV-Vis spectrum was measured once the products were created, and then after 5 weeks storage in sealed containers in the dark at room temperature. No loss of dye was observed.
  • the formulations were separately used to wash woven polyester for 30 minutes at room temperature, with 2g/L formulation and a liquor to cloth ratio of 30:1. Following the wash the clothes were rinse, dried and the reflectance spectra recorded with UV excluded.

Landscapes

  • 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

Cette invention concerne une préparation aqueuse pour détergent liquide de lavage comprenant un colorant hydrophobe anthraquinone, un mélange de tensio-actifs constitué d'un tension-actif non-ionique et d'un tension-actif anionique, et un agent fluorescent. La précipitation du colorant est réduite.
EP07703401A 2006-02-24 2007-02-07 Composition d'entretien liquide pour l'azurage Withdrawn EP1987123A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07703401A EP1987123A1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour l'azurage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06250980 2006-02-24
EP07703401A EP1987123A1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour l'azurage
PCT/EP2007/001169 WO2007096068A1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour l'azurage

Publications (1)

Publication Number Publication Date
EP1987123A1 true EP1987123A1 (fr) 2008-11-05

Family

ID=36660781

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07703401A Withdrawn EP1987123A1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour l'azurage
EP07711505.3A Active EP1987124B1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour azurage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07711505.3A Active EP1987124B1 (fr) 2006-02-24 2007-02-07 Composition d'entretien liquide pour azurage

Country Status (3)

Country Link
EP (2) EP1987123A1 (fr)
AR (1) AR059606A1 (fr)
WO (2) WO2007096068A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE553177T1 (de) 2008-09-30 2012-04-15 Procter & Gamble Flüssige reinigungsmittelzusammensetzungen mit zwei- oder mehrfarbigem effekt
EP2169041A1 (fr) 2008-09-30 2010-03-31 The Procter and Gamble Company Compositions détergentes liquides démontrant un effet à deux couleurs ou plus
ES2389707T3 (es) † 2010-01-06 2012-10-30 Unilever Nv Relación de tensioactivos en formulaciones colorantes
CN102892875A (zh) * 2010-04-29 2013-01-23 荷兰联合利华有限公司 双杂环偶氮染料
US8946139B2 (en) 2011-05-26 2015-02-03 Conopco Inc. Liquid laundry composition
CN104379718A (zh) 2012-06-21 2015-02-25 荷兰联合利华有限公司 液体洗衣洗涤剂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2034563A1 (en) * 1970-07-11 1972-01-27 Henkel & Cie GmbH, 4000 Dusseldorf Coloured detergent compsns - contg nitro-alkanols as dye stabilisers
JPS5438605B2 (fr) * 1974-06-07 1979-11-22
US3958928A (en) 1975-05-05 1976-05-25 Lever Brothers Company Reduced-staining colorant system for liquid laundry detergents
US4800037A (en) * 1987-06-05 1989-01-24 Lever Brothers Company Process for making a heavy duty liquid detergent composition
SK53294A3 (en) * 1993-05-07 1995-04-12 Albright & Wilson Concentrated aqueous mixture containing surface active matter and its use
AR049538A1 (es) * 2004-06-29 2006-08-09 Procter & Gamble Composiciones de detergentes para lavanderia con colorante entonador eficiente
AR049537A1 (es) * 2004-06-29 2006-08-09 Procter & Gamble Composiciones de detergentes para lavanderia con colorante entonador
CA2575589C (fr) 2004-09-23 2013-11-12 Unilever Plc Compositions detergentes comprenant un colorant hydrophobe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007096068A1 *

Also Published As

Publication number Publication date
WO2007096068A1 (fr) 2007-08-30
AR059606A1 (es) 2008-04-16
WO2007096067A1 (fr) 2007-08-30
EP1987124B1 (fr) 2018-09-05
EP1987124A1 (fr) 2008-11-05

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