(19)

(11)

EP 0 700 428 A1

(12)

(43) Date of publication: 13.03.1996 Bulletin 1996/11 (21) Application number: 94915115.0 (22) Date of filing: 26.04.1994

(51) International Patent Classification (IPC):  C11D 10/ 02( . ) C11D 1/ 83( . ) C11D 3/ 20( . ) C11D 1/ 14( . ) C11D 1/ 72( . ) C11D 3/ 12( . ) C11D 17/ 06( . ) C11D 1/ 22( . ) (86) International application number: PCT/EP1994/001291 (87) International publication number: WO 1994/028109 (08.12.1994 Gazette 1994/27)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 26.05.1993 GB 19930010823 05.07.1993 GB 19930013857 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventors: BOSKAMP, Jelles, Vincent NL-3137 PG Vlaardingen (NL) HOUGHTON, Mark, Phillip NL-2651 VG Berkel en Rodenrijs (NL) (74) Representative: Fransella, Mary Evelyn, et al  Unilever PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)