(19)

(11)

EP 1 208 188 A1

(12)

(43) Date of publication: 29.05.2002 Bulletin 2002/22 (21) Application number: 00962335.6 (22) Date of filing: 16.08.2000

(51) International Patent Classification (IPC)7: C11D 3/39, D06L 3/02 (86) International application number: PCT/EP0008/076 (87) International publication number: WO 0116/271 (08.03.2001 Gazette 2001/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.09.1999 WO PCT/GB99/02876 01.09.1999 WO PCT/GB99/02878 01.03.2000 GB 0004990 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) GB IE CY  UNILEVER N.V. 3013 AL Rotterdam (NL) BE CH DE DK ES FI FR GR IT LI LU MC NL PT SE AT	(72) Inventors: HAGE, RonaldUnilever Research Vlaardingen NL-3133 AT Vlaardingen (NL) VEERMAN, Simon M.,Unilever Research Vlaardinen NL-3133 AT Vlaardingen (NL) (74) Representative: Elliott, Peter William et al Unilever plcPatent DivisionColworth HouseSharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)