(19)

(11)

EP 0 659 208 A1

(12)

(43) Date of publication: 28.06.1995 Bulletin 1995/26 (21) Application number: 93919218.0 (22) Date of filing: 28.08.1993

(51) International Patent Classification (IPC):  C11D 3/ 10( . ) C11D 11/ 02( . ) C11D 3/ 12( . ) C11D 17/ 06( . ) (86) International application number: PCT/EP1993/002340 (87) International publication number: WO 1994/005767 (17.03.1994 Gazette 1994/07)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 08.09.1992 US 19920941995 08.09.1992 US 19920941510 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventors: KARPUSIEWICZ, William, Martin Washingtonville, NY 10992 (US) GOLDMAN, Andra, Joy Teaneck, NJ 07666 (US) HSU, Feng-Lung, Gordon Tenafly, NJ 07670 (US) IRWIN, Charles, Fraser Randolph, NJ 07869 (US) (74) Representative: Geary, Stephen, et al  Unilever Plc, Patent Division, Colworth House Sharnbrook, Bedford MK44 1LQ Sharnbrook, Bedford MK44 1LQ (GB)