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(11)

EP 2 297 288 A1

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(43) Date of publication: 23.03.2011 Bulletin 2011/12 (21) Application number: 09793904.5 (22) Date of filing: 17.06.2009

(51) International Patent Classification (IPC):  C11D 3/02(2006.01) C11D 3/22(2006.01) C11D 3/20(2006.01) C11D 17/00(2006.01) (86) International application number: PCT/EP2009/057537 (87) International publication number: WO 2010/003792 (14.01.2010 Gazette 2010/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 09.07.2008 EP 08160024 (71) Applicants: Unilever PLC London, Greater London EC4P 4BQ (GB) CY GB IE MT  Unilever N.V. 3013 AL Rotterdam (NL) AT BE BG CH CZ DE DK EE ES FI FR GR HR HU IS IT LI LT LU LV MC MK NL NO PL PT RO SE SI SK TR

(72) Inventor: PARKER, Andrew, Philip Wirral Merseyside CH63 3JW (GB) (74) Representative: McHugh, Paul Edward  Unilever Patent Dept. Port Sunlight R & D Quarry Road East GB-Bebington, Wirral CH63 3JW GB-Bebington, Wirral CH63 3JW (GB)