(19)

(11)

EP 2 099 889 A1

(12)

(43) Date of publication: 16.09.2009 Bulletin 2009/38 (21) Application number: 07847562.1 (22) Date of filing: 30.11.2007

(51) International Patent Classification (IPC):  C11D 3/22(2006.01) C11D 17/06(2006.01) (86) International application number: PCT/EP2007/063046 (87) International publication number: WO 2008/083877 (17.07.2008 Gazette 2008/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 12.01.2007 EP 07100459 (71) Applicants: Unilever PLC 100 Victoria Embankment London EC4Y 0DY (GB) CY GB IE MT  Unilever N.V. 3013 AL Rotterdam (NL)	(72) Inventors: BARNETT, Stuart Anthony Bebington Wirral Merseyside CH63 3JW (GB) PARKER, Andrew Philip Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Elliott, Peter William  Unilever Patent Group Colworth House Sharnbrook Bedford MK44 1LQ Sharnbrook Bedford MK44 1LQ (GB)