(19)

(11)

EP 1 214 394 A1

(12)

(43) Date of publication: 19.06.2002 Bulletin 2002/25 (21) Application number: 00966059.8 (22) Date of filing: 18.09.2000

(51) International Patent Classification (IPC)7: C11D 17/00, C11D 3/22, C11D 3/06 (86) International application number: PCT/EP0009/191 (87) International publication number: WO 0121/756 (29.03.2001 Gazette 2001/13)

(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: 23.09.1999 GB 9922594 (71) Applicants: UNILEVER N.V. 3013 AL Rotterdam (NL) BE CH DE DK ES FI FR GR IT LI LU MC NL PT SE AT  Unilever Plc London,Greater London EC4P 4BQ (GB) GB IE CY	(72) Inventors: CALLAGHAN, Ian NL-3133 AT Vlaardingen (NL) JANSSEN, Roger NL-3133 AT Vlaardingen (NL) (74) Representative: Hodgetts, Catherine Dawn et al Unilever N.V.,Patent Department,Olivier van Noortlaan 120 3133 AT Vlaardingen 3133 AT Vlaardingen (NL)