(19)

(11)

EP 1 208 185 A2

(12)

(88) Date of publication A3: 30.08.2001 (43) Date of publication: 29.05.2002 Bulletin 2002/22 (21) Application number: 00953179.9 (22) Date of filing: 16.08.2000

(51) International Patent Classification (IPC)7: C11D 3/39, D06L 3/02, C07D 213/36 (86) International application number: PCT/EP0008/078 (87) International publication number: WO 0116/261 (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/GB99/02878 01.09.1999 WO PCT/GB99/02876 22.03.2000 GB 0006961 (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 LU MC NL PT SE AT

(72) Inventors: CARINA, Riccardo Filippo CH-1208 Geneve (CH) FOX, Stephen Paul Monroe, LA 71201 (US) KALMEIJER, Robertus Everardus 3133 AT Vlaarding en (NL) KARLIN, Kenneth, Daniel Owing Mills, MD 21117 (US) THIJSSEN, Rob 3133 AT Vlaardingen (NL) TWISKER, Robin Stefan 3133 AT Vlaardingen (NL) (74) Representative: Elliott, Peter William et al Unilever plcPatent DivisionColworth HouseSharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)