(19)

(11)

EP 0 670 882 A1

(12)

(43) Date of publication: 13.09.1995 Bulletin 1995/37 (21) Application number: 93924081.0 (22) Date of filing: 28.10.1993

(51) International Patent Classification (IPC):  C11D 3/ 42( . ) C11D 17/ 00( . ) (86) International application number: PCT/EP1993/003011 (87) International publication number: WO 1994/011485 (26.05.1994 Gazette 1994/12)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 17.11.1992 GB 19920024052 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventor: CLEMENTS, Anthony Henry Wrexham, Clwyd LL12 9SF (GB) (74) Representative: Kan, Jacob Hendrik, Dr., et al  Unilever N.V. Patent Division P.O. Box 137 NL-3130 AC Vlaardingen NL-3130 AC Vlaardingen (NL)