(19)

(11)

EP 2 310 480 A1

(12)

(43) Date of publication: 20.04.2011 Bulletin 2011/16 (21) Application number: 09802479.7 (22) Date of filing: 15.07.2009

(51) International Patent Classification (IPC):  C11D 1/38(2006.01) C11D 3/04(2006.01) C11D 1/72(2006.01) C11D 3/50(2006.01) (86) International application number: PCT/EP2009/059049 (87) International publication number: WO 2010/012590 (04.02.2010 Gazette 2010/05)

(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 SM TR Designated Extension States: AL BA RS (30) Priority: 29.07.2008 EP 08161377 (71) Applicants: Unilever PLC 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 SM TR

(72) Inventors: HOWARD, Jane Wirral Merseyside CH63 3JW (GB) HUNTER, Robert, Allan Wirral Merseyside CH63 3JW (GB) WESTWELL, Jeremy, Robert Wirral Merseyside CH63 3JW (GB) WRIGHT, Janice, Elaine 1223 GE Hilversum (NL) (74) Representative: Chisem, Janet  Unilever Patent Group Colworth House Sharnbrook Bedford MK44 1LQ Sharnbrook Bedford MK44 1LQ (GB)