(19)

(11)

EP 1 633 844 A1

(12)

(43) Date of publication: 15.03.2006 Bulletin 2006/11 (21) Application number: 04739747.6 (22) Date of filing: 08.06.2004

(51) International Patent Classification (IPC):  C11D 3/40(1985.01) C11D 3/39(1985.01) (86) International application number: PCT/EP2004/006242 (87) International publication number: WO 2005/003277 (13.01.2005 Gazette 2005/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 18.06.2003 GB 0314210 03.11.2003 GB 0325615 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) CY GB IE  UNILEVER N.V. 3013 AL Rotterdam (NL) AT BE BG CH CZ DE DK EE ES FI FR GR HU IT LI LU MC NL PL PT RO SE SI SK TR	(72) Inventors: BATCHELOR, S. N., Unilever R & D Port Sunlight Wirral Merseyside CH63 3JW (GB) DIXON, S., Unilever R & D Port Sunlight Wirral Merseyside CH63 3JW (GB) (74) Representative: Elliott, Peter William et al Unilever Patent Group Colworth House Sharnbrook Bedford, MK44 1LQ Colworth House Sharnbrook Bedford, MK44 1LQ (GB)