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(11)

EP 2 252 681 A1

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(43) Date of publication: 24.11.2010 Bulletin 2010/47 (21) Application number: 09719114.2 (22) Date of filing: 22.01.2009

(51) International Patent Classification (IPC):  C11D 3/38(2006.01) C11D 3/384(2006.01) C11D 3/382(2006.01) (86) International application number: PCT/EP2009/050699 (87) International publication number: WO 2009/112297 (17.09.2009 Gazette 2009/38)

(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: 14.03.2008 EP 08152743 (71) Applicants: Unilever PLC, A Company Registered In England And Wales under company no. 41424 of Unilever House 100 Victoria Embankment London EC4Y 0DY (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) Inventors: BATCHELOR, Stephen, Norman Wirral Merseyside CH63 3JW (GB) PARKER, Andrew, Philip Wirral Merseyside CH63 3JW (GB) (74) Representative: Elliott, Peter William  Unilever Patent Group Colworth House Sharnbrook Bedford MK44 1LQ Sharnbrook Bedford MK44 1LQ (GB)