EP2343359A1 - Formulation de détergent contenant des granules séchées par atomisation - Google Patents

Formulation de détergent contenant des granules séchées par atomisation Download PDF

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Publication number
EP2343359A1
EP2343359A1 EP10150207A EP10150207A EP2343359A1 EP 2343359 A1 EP2343359 A1 EP 2343359A1 EP 10150207 A EP10150207 A EP 10150207A EP 10150207 A EP10150207 A EP 10150207A EP 2343359 A1 EP2343359 A1 EP 2343359A1
Authority
EP
European Patent Office
Prior art keywords
dye
dyes
laundry detergent
detergent composition
sodium
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Withdrawn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
EP10150207A
Other languages
German (de)
English (en)
Inventor
Raquel Beatriz Barchini
Stephen Norman Batchelor
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=42173744&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2343359(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 EP10150207A priority Critical patent/EP2343359A1/fr
Priority to BR112012016789A priority patent/BR112012016789A2/pt
Priority to EP10767957.3A priority patent/EP2521764B1/fr
Priority to CN2010800609522A priority patent/CN102782111A/zh
Priority to ES10767957.3T priority patent/ES2528692T3/es
Priority to PCT/EP2010/064246 priority patent/WO2011082842A1/fr
Priority to ARP100103992A priority patent/AR078826A1/es
Publication of EP2343359A1 publication Critical patent/EP2343359A1/fr
Withdrawn legal-status Critical Current

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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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/02—Preparation in the form of powder by spray drying
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents

Definitions

  • the present invention concerns laundry shading dye compositions.
  • Ciba discloses granule containing 2-70wt% of an azo, triphenyl methane and phthalocyanine dyestuff, for inclusion in granular detergent compositions.
  • the granules were preferably made by fluid bed processes or spray drying.
  • W02008/017570 discloses acid azine dyes for inclusion in laundry detergent formulations
  • WO/2009/141173 discloses preferably spray dried cationic phenazine or acid azine dye powder which contain 20 to 100 wt% of the dye.
  • the dye powder has an average particle size, APS, from 0.1 to 300 microns, preferably 10 to 100 microns.
  • the spray dried dye powder is mixed with a Na 2 SO 4 or NaCl or pre-prepared granular base or full detergent formulation to give a 0.1 to 5 dye wt% mixture. This dry mix is then mixed into the granular formulation.
  • spray dried dye granules lack the strength to prevent fragmentation of the granule on mixing with the powder or Na 2 SO 4 or NaCl. Fragmentation of the granule can lead to discoloration of the powder.
  • the present invention provides a granule that has required robustness for laundry detergent compositions and provides reduced dye dust in handling.
  • the invention provides a granular laundry detergent composition comprising:
  • the spray dried dye granule has an average particle size, APS, from 0.1 to 300 microns.
  • the APS is as measured by a laser diffraction particle size analyser, preferably a Malvern HP with 100mm lens.
  • the dye in the spray dried dye granule is preferably selected from cationic dyes, anionic dyes and uncharged alkoxylated dyes. These dyes are particularly effective in shading when delivered from the granule to the wash.
  • the dye is preferably selected from:
  • polyoxyalkylene chains has from 4 to 20 repeating units.
  • polyoxyalkylene chains include ethylene oxide, propylene oxide, glycidol oxide, butylene oxide and mixtures thereof.
  • the dye is selected from: acid blue 59; acid blue 98; and, acid violet 50.
  • the polymer should have a weight average molecular weight greater than 2000 Daltons.
  • the polymer must contain carboxylic acid groups.
  • Preferred polymers are selected from sodium carboxymethyl cellulose's and polymers containing acrylic acid. More preferably are selected from acrylic acid / maleic acid co-polymer and sodium carboxymethyl cellulose's. Most preferably the polymer is sodium carboxymethyl cellulose.
  • the Sodium carboxymethyl cellulose preferably has: a weight average molecular weight up to 1,000,000 Daltons, more preferably 25,000 Daltons to 500,000 Daltons, even more preferably 30,000 Daltons to 120,000 Daltons.
  • the composition comprises between 2 to 70 wt% of a surfactant, most preferably 10 to 30 wt %.
  • a surfactant most preferably 10 to 30 wt %.
  • the nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described " Surface Active Agents" Vol. 1, by Schwartz & Perry, Interscience 1949 , Vol. 2 by Schwartz, Perry & Berch, Interscience 1958 , in the current edition of "McCutcheon's Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in " Tenside-Taschenbuch", H. Stache, 2nd Edn., Carl Hauser Verlag, 1981 .
  • the surfactants used are saturated.
  • Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
  • Specific nonionic detergent compounds are C 6 to C 22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic C 8 to C 18 primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO.
  • Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher C 8 to C 18 alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C 9 to C 20 benzene sulphonates, particularly sodium linear secondary alkyl C 10 to C 15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the preferred anionic detergent compounds are sodium C 11 to C 15 alkyl benzene sulphonates and sodium C 12 to C 18 alkyl sulphates.
  • surfactants such as those described in EP-A-328 177 (Unilever), which show resistance to salting-out, the alkyl polyglycoside surfactants described in EP-A-070 074 , and alkyl monoglycosides.
  • Preferred surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever).
  • surfactant system is a mixture of an alkali metal salt of a C 16 to C 18 primary alcohol sulphate together with a C 12 to C 15 primary alcohol 3 to 7 EO ethoxylate.
  • the nonionic detergent is preferably present in amounts greater than 10%, e.g. 25 to 90 wt % of the surfactant system.
  • Anionic surfactants can be present for example in amounts in the range from about 5% to about 40 wt % of the surfactant system.
  • Builder materials may be selected from 1) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion-exchange materials and 4) mixtures thereof.
  • calcium sequestrant builder materials examples include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetraacetic acid.
  • the laundry treatment composition comprises sodium carbonate in the range from 5 to 50 wt%, most preferably 10 to 35 wt%.
  • the aqueous wash solution when used with granular laundry treatment composition, preferably comprises 0.1 to 4 g/L of sodium carbonate.
  • Examples of calcium ion-exchange builder materials include the various types of water-insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-0,384,070 .
  • zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-0,384,070 .
  • composition may also contain 0-65 % of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • Many builders are also bleach-stabilising agents by virtue of their ability to complex metal ions.
  • Zeolite and carbonate are preferred builders.
  • the composition may contain as builder a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 15%w.
  • Aluminosilicates are materials having the general formula: 0.8-1.5 M 2 O. Al 2 O 3 . 0.8-6 SiO 2 where M is a monovalent cation, preferably sodium. These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
  • the preferred sodium aluminosilicates contain 1.5-3.5 SiO 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • the ratio of surfactants to alumuminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1.
  • phosphate builders may be used.
  • 'phosphate' embraces diphosphate, triphosphate, and phosphonate species.
  • Other forms of builder include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst).
  • the laundry detergent formulation is a non-phosphate built laundry detergent formulation, i.e., contains less than 1 wt% of phosphate.
  • the composition may comprise one or more enzymes, which provide cleaning performance, fabric care and/or sanitation benefits.
  • enzymes include proteases, alpha-amylases, cellulases, lipases, peroxidases/oxidases, pectases, lyases, and mannanases, or mixtures thereof.
  • the composition preferably comprises 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 the composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
  • Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g.
  • 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 ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4-anilino-6-morpholino-1,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'-bis(2-sulfostyryl)biphenyl.
  • the composition comprises a perfume.
  • the perfume is preferably in the range from 0.001 to 3 wt %, most preferably 0.1 to 1 wt %.
  • CTFA Cosmetic, Toiletry and Fragrance Association
  • compositions of the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components.
  • top notes are defined by Poucher (Journal of the Society of Cosmetic Chemists 6(2):80 [1955 ]).
  • Preferred top-notes are selected from citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol.
  • Perfume and top note may be used to cue the whiteness benefit of the invention.
  • Granules of 100 micron average particle size where prepared by spray drying aqueous slurries containing the ingredients.
  • the granules had the following compositions:
  • Fragmentation of the granules in the mixing process leads to discolouration of the sodium sulphate.
  • the granules containing the polymers give lower ⁇ E value, indicating they are stronger.

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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)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
EP10150207A 2010-01-07 2010-01-07 Formulation de détergent contenant des granules séchées par atomisation Withdrawn EP2343359A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP10150207A EP2343359A1 (fr) 2010-01-07 2010-01-07 Formulation de détergent contenant des granules séchées par atomisation
BR112012016789A BR112012016789A2 (pt) 2010-01-07 2010-09-27 formulação de detergente contendo grânulo seco por atomização.
EP10767957.3A EP2521764B1 (fr) 2010-01-07 2010-09-27 Formulation de détergent contenant des granules séchées par atomisation
CN2010800609522A CN102782111A (zh) 2010-01-07 2010-09-27 含有喷雾干燥颗粒的洗涤剂制剂
ES10767957.3T ES2528692T3 (es) 2010-01-07 2010-09-27 Formulación de detergente que contiene gránulos secados por pulverización
PCT/EP2010/064246 WO2011082842A1 (fr) 2010-01-07 2010-09-27 Formulation détergente contenant un granule séché par atomisation
ARP100103992A AR078826A1 (es) 2010-01-07 2010-10-29 Formulacion de detergente que contiene granulos secados por rociado

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10150207A EP2343359A1 (fr) 2010-01-07 2010-01-07 Formulation de détergent contenant des granules séchées par atomisation

Publications (1)

Publication Number Publication Date
EP2343359A1 true EP2343359A1 (fr) 2011-07-13

Family

ID=42173744

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10150207A Withdrawn EP2343359A1 (fr) 2010-01-07 2010-01-07 Formulation de détergent contenant des granules séchées par atomisation
EP10767957.3A Active EP2521764B1 (fr) 2010-01-07 2010-09-27 Formulation de détergent contenant des granules séchées par atomisation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10767957.3A Active EP2521764B1 (fr) 2010-01-07 2010-09-27 Formulation de détergent contenant des granules séchées par atomisation

Country Status (6)

Country Link
EP (2) EP2343359A1 (fr)
CN (1) CN102782111A (fr)
AR (1) AR078826A1 (fr)
BR (1) BR112012016789A2 (fr)
ES (1) ES2528692T3 (fr)
WO (1) WO2011082842A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070074A2 (fr) 1981-07-13 1983-01-19 THE PROCTER & GAMBLE COMPANY Compositions moussantes contenant des agents tensio-actifs
EP0328177A2 (fr) 1988-02-10 1989-08-16 Unilever N.V. Détergents liquides
EP0346995A2 (fr) 1988-06-13 1989-12-20 Unilever N.V. Produits détergents liquides
EP0384070A2 (fr) 1988-11-03 1990-08-29 Unilever Plc Zéolite P, son procédé de préparation et son utilisation dans les compositions détergentes
WO2005014769A1 (fr) 2003-08-06 2005-02-17 Ciba Specialty Chemicals Holding Inc. Composition d'ombrage
WO2006053598A1 (fr) * 2004-11-22 2006-05-26 Unilever Plc Compositions de traitement du linge
WO2007006357A1 (fr) * 2005-07-11 2007-01-18 Unilever Plc Granules delivrant un colorant
WO2007039042A1 (fr) * 2005-09-22 2007-04-12 Unilever Plc Composition presentant une stabilite amelioree et procede de fabrication d’une telle composition
WO2007087257A2 (fr) 2006-01-23 2007-08-02 The Procter & Gamble Company Compositions contenant une enzyme et un agent de teinture de tissus
WO2008017570A1 (fr) 2006-08-10 2008-02-14 Unilever Plc Composition de coloration légère
WO2009141173A1 (fr) 2008-05-20 2009-11-26 Unilever Plc Composition de nuançage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1027452C (zh) * 1988-03-14 1995-01-18 普罗格特-甘布尔公司 含光活性剂染料的洗涤剂组合物
DK0578872T3 (da) * 1992-07-15 1999-06-23 Procter & Gamble Detergentsammensætninger
GB9317803D0 (en) * 1993-08-27 1993-10-13 Cussons Int Ltd Laundry detergent composition

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070074A2 (fr) 1981-07-13 1983-01-19 THE PROCTER & GAMBLE COMPANY Compositions moussantes contenant des agents tensio-actifs
EP0328177A2 (fr) 1988-02-10 1989-08-16 Unilever N.V. Détergents liquides
EP0346995A2 (fr) 1988-06-13 1989-12-20 Unilever N.V. Produits détergents liquides
EP0384070A2 (fr) 1988-11-03 1990-08-29 Unilever Plc Zéolite P, son procédé de préparation et son utilisation dans les compositions détergentes
WO2005014769A1 (fr) 2003-08-06 2005-02-17 Ciba Specialty Chemicals Holding Inc. Composition d'ombrage
WO2006053598A1 (fr) * 2004-11-22 2006-05-26 Unilever Plc Compositions de traitement du linge
WO2007006357A1 (fr) * 2005-07-11 2007-01-18 Unilever Plc Granules delivrant un colorant
WO2007039042A1 (fr) * 2005-09-22 2007-04-12 Unilever Plc Composition presentant une stabilite amelioree et procede de fabrication d’une telle composition
WO2007087257A2 (fr) 2006-01-23 2007-08-02 The Procter & Gamble Company Compositions contenant une enzyme et un agent de teinture de tissus
WO2008017570A1 (fr) 2006-08-10 2008-02-14 Unilever Plc Composition de coloration légère
WO2009141173A1 (fr) 2008-05-20 2009-11-26 Unilever Plc Composition de nuançage

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"1992 International Buyers Guide", 1992, CFTA PUBLICATIONS
"OPD 1993 Chemicals Buyers Directory", 1993, SCHNELL PUBLISHING CO
POUCHER, JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS, vol. 6, no. 2, 1955, pages 80

Also Published As

Publication number Publication date
AR078826A1 (es) 2011-12-07
EP2521764B1 (fr) 2014-11-26
CN102782111A (zh) 2012-11-14
ES2528692T3 (es) 2015-02-11
WO2011082842A1 (fr) 2011-07-14
EP2521764A1 (fr) 2012-11-14
BR112012016789A2 (pt) 2018-03-27

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