(19)

(11)

EP 0 880 577 A1

(12)

(43) Date of publication: 02.12.1998 Bulletin 1998/49 (21) Application number: 97904405.0 (22) Date of filing: 10.02.1997

(51) International Patent Classification (IPC):  C11D 3/ 33( . ) C11D 17/ 06( . ) C11D 17/ 00( . ) (86) International application number: PCT/EP1997/000594 (87) International publication number: WO 1997/029175 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 12.02.1996 US 19960011502P (71) Applicants: UNILEVER N.V. 3013 AL Rotterdam (NL) UNILEVER PLC London EC4P 4BQ (GB)	(72) Inventor: ANDERSON, Patricia Plymouth, MI 48170 (US) (74) Representative: Rosen Jacobson, Frans Lucas M., et al  Unilever N.V., Patent Division, P.O. Box 137 3130 AC Vlaardingen 3130 AC Vlaardingen (NL)