(19)

(11)

EP 1 165 740 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00912460.3 (22) Date of filing: 14.02.2000

(51) International Patent Classification (IPC)7: C11D 17/00, C11D 3/50 (86) International application number: PCT/EP0001/184 (87) International publication number: WO 0058/434 (05.10.2000 Gazette 2000/40)

(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: 29.03.1999 EP 99302453 (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: GALLI, MarcoUnilever Italia SpaLever Faberge I-26841 Casalpusterlengo (IT) OLIVA, MarcoUnilever Italia SpaLever Faberge I-26841 Casalpusterlengo (IT) (74) Representative: Griffiths, Helen Sarah et al Unilever PLC, Patent Division, Colworth House Sharnbrook, Bedford MK44 1LQ Sharnbrook, Bedford MK44 1LQ (GB)