(19)

(11)

EP 1 841 852 A1

(12)

(43) Date of publication: 10.10.2007 Bulletin 2007/41 (21) Application number: 05822663.0 (22) Date of filing: 21.12.2005

(51) International Patent Classification (IPC):  C11D 17/06(2006.01) C11D 3/384(2006.01) C11D 3/22(2006.01) C11D 3/00(2006.01) (86) International application number: PCT/EP2005/014059 (87) International publication number: WO 2006/079416 (03.08.2006 Gazette 2006/31)

(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 NL PL PT RO SE SI SK TR (30) Priority: 25.01.2005 GB 0501538 (71) Applicants: UNILEVER PLC London, Greater 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 IS IT LI LT LU LV MC NL	(72) Inventors: JONGELING, Roel Jan, Unilever R & D Vlaardingen 3133 AT Vlaardingen (NL) VAN DER KOOIJ, Felix M. Unilever R & D Vlaardingen 3133 AT Vlaardingen (NL) (74) Representative: Bristow, Stephen Robert  Unilever Patent Group Colworth House Sharnbrook Bedford, MK44 1LQ Colworth House Sharnbrook Bedford, MK44 1LQ (GB)