(19)

(11)

EP 0 692 018 A1

(12)

(43) Date of publication: 17.01.1996 Bulletin 1996/03 (21) Application number: 94911896.0 (22) Date of filing: 15.03.1994

(51) International Patent Classification (IPC):  C11D 3/ 08( . ) C11D 17/ 00( . ) C11D 3/ 12( . ) (86) International application number: PCT/EP1994/000822 (87) International publication number: WO 1994/023009 (13.10.1994 Gazette 1994/23)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 31.03.1993 GB 19930006901 (71) Applicants: UNILEVER N.V. NL-3013 AL Rotterdam (NL) UNILEVER PLC London EC4P 4BQ (GB)	(72) Inventors: HORMANN, Josephus, Marie NL-3605 GT Maarssen (NL) HOUGHTON, Mark, Phillip NL-2651 VG Berkel en Rodenrijs (NL) VERHEUL, Rudolf, Cornelis, S. NL-3573 XN Utrecht (NL) (74) Representative: Zweep, Robert-Jan, et al  Unilever N.V. Patent Division P.O. Box 137 NL-3130 AC Vlaardingen NL-3130 AC Vlaardingen (NL)