EP2031046A3 - White powder - Google Patents

White powder Download PDF

Info

Publication number
EP2031046A3
EP2031046A3 EP07119472A EP07119472A EP2031046A3 EP 2031046 A3 EP2031046 A3 EP 2031046A3 EP 07119472 A EP07119472 A EP 07119472A EP 07119472 A EP07119472 A EP 07119472A EP 2031046 A3 EP2031046 A3 EP 2031046A3
Authority
EP
European Patent Office
Prior art keywords
linear alkyl
alkyl benzene
white powder
benzene sulphonate
colourant
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Withdrawn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
EP07119472A
Other languages
German (de)
French (fr)
Other versions
EP2031046A2 (en
Inventor
Stephen Norman Batchelor
Kees Bert Geerse
Roelant Mathijs Hermant
Mahider Million
Vivek Pareek
Pieter Broer Van Der Weg
Barry Van Zelm
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
Original Assignee
Unilever PLC
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 filed Critical Unilever PLC
Publication of EP2031046A2 publication Critical patent/EP2031046A2/en
Publication of EP2031046A3 publication Critical patent/EP2031046A3/en
Withdrawn legal-status Critical Current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
    • 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
    • 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

Abstract

The present invention provides a product and method of whitening the appearance of a detergent powder formulation, especially when incorporating more yellow linear alkyl benzene sulphonates. The formulation comprises
(a) from 4 to 50 wt.% of a linear alkyl benzene sulphonate, wherein the optical absorption of a 3.5 g/l solution of the linear alkyl benzene sulphonate at 400 nm in water in a 5 cm cell is between 0.005 to 0.2;
(b) from 0 to 0.5 wt.% of fluorescer
(c) from 0.00001 to 0.0007 wt.% of a colourant that is a blue pigment or a blue dye.
EP07119472A 2007-08-30 2007-10-29 White powder Withdrawn EP2031046A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN1660MU2007 2007-08-30

Publications (2)

Publication Number Publication Date
EP2031046A2 EP2031046A2 (en) 2009-03-04
EP2031046A3 true EP2031046A3 (en) 2009-09-02

Family

ID=40092845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07119472A Withdrawn EP2031046A3 (en) 2007-08-30 2007-10-29 White powder

Country Status (1)

Country Link
EP (1) EP2031046A3 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762859A (en) * 1971-03-15 1973-10-02 Colgate Palmolive Co Enhancing the apparent whiteness of fabrics by applying an effective amount of an alkali and heat stable water soluble disazo blue dyestuff fabric softening and detergent composition therefor
GB2274105A (en) * 1992-11-27 1994-07-13 Unilever Plc Bleaching process.
US5529710A (en) * 1992-07-15 1996-06-25 The Procter & Gamble Company Production of detergent granules with excellent white appearance
EP0808893A2 (en) * 1996-05-21 1997-11-26 3V SIGMA S.p.A A method for whitening a detergent composition
WO2007006357A1 (en) * 2005-07-11 2007-01-18 Unilever Plc Dye delivery granules

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762859A (en) * 1971-03-15 1973-10-02 Colgate Palmolive Co Enhancing the apparent whiteness of fabrics by applying an effective amount of an alkali and heat stable water soluble disazo blue dyestuff fabric softening and detergent composition therefor
US5529710A (en) * 1992-07-15 1996-06-25 The Procter & Gamble Company Production of detergent granules with excellent white appearance
GB2274105A (en) * 1992-11-27 1994-07-13 Unilever Plc Bleaching process.
EP0808893A2 (en) * 1996-05-21 1997-11-26 3V SIGMA S.p.A A method for whitening a detergent composition
WO2007006357A1 (en) * 2005-07-11 2007-01-18 Unilever Plc Dye delivery granules

Also Published As

Publication number Publication date
EP2031046A2 (en) 2009-03-04

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