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Title:
A METHOD OF LAUNDERING FABRIC
Document Type and Number:
WIPO Patent Application WO/2023/150903
Kind Code:
A1
Abstract:
The present invention relates to a method of laundering fabric comprising the steps of: (a) contacting a detergent composition comprising linear alkylbenzene sulphonate detersive surfactant, C 8-C 24 alkyl sulphate detersive surfactant and phenolic antioxidant with water to form a wash liquor comprising from 50ppm to 2000ppm linear alkylbenzene sulphonate detersive surfactant and from 10 to 750ppm C 8-C 24 alkyl sulphate, from 0.1ppm to 200ppm phenolic antioxidant and from 0.001ppm to 10.0ppm iron, and having a pH in the range of from greater than 7.0 to 12.0, and wherein the molar ratio of linear alkylbenzene sulphonate detersive surfactant to C 8-C 24 alkyl sulphate detersive surfactant present in the wash liquor is in the range of from 0.05 to 200; (b) contacting fabric with the wash liquor; and (c) laundering the fabric.

Inventors:
BROOKER ALAN THOMAS (GB)
CELMINA ANNA (GB)
DOUGLASS SARAH JANE (GB)
FULLER LINSEY SARAH (GB)
ROBLES ERIC SAN JOSE (GB)
STERRY ROBERT WILLIAM JOHN (GB)
SY AARON RYAN WAWELL TIU (CN)
Application Number:
PCT/CN2022/075444
Publication Date:
August 17, 2023
Filing Date:
February 08, 2022
Export Citation:
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Assignee:
PROCTER & GAMBLE (US)
BROOKER ALAN THOMAS (GB)
CELMINA ANNA (GB)
DOUGLASS SARAH JANE (GB)
FULLER LINSEY SARAH (GB)
ROBLES ERIC SAN JOSE (GB)
STERRY ROBERT WILLIAM JOHN (GB)
SY AARON RYAN WAWELL TIU (CN)
International Classes:
C11D1/37; C11D3/00; C11D3/20; C11D11/00
Domestic Patent References:
WO2021223222A12021-11-11
WO2009154933A22009-12-23
WO2011140316A12011-11-10
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WO2006002643A22006-01-12
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WO2013116261A22013-08-08
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WO2014089386A12014-06-12
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WO2009158162A12009-12-30
WO2009158449A12009-12-30
WO2013181205A12013-12-05
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Foreign References:
US20200063068A12020-02-27
US20160289597A12016-10-06
US20130045910A12013-02-21
US5352604A1994-10-04
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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