(19)

(11)

EP 0 745 117 A1

(12)

(43) Date of publication: 04.12.1996 Bulletin 1996/49 (21) Application number: 95907629.0 (22) Date of filing: 28.01.1995

(51) International Patent Classification (IPC):  C11D 1/ 72( . ) C11D 3/ 08( . ) C11D 3/ 37( . ) C11D 17/ 06( . ) C11D 1/ 83( . ) C11D 3/ 20( . ) C11D 3/ 382( . ) C11D 1/ 14( . ) (86) International application number: PCT/EP1995/000318 (87) International publication number: WO 1995/022593 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 18.02.1994 GB 19940003155 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. 3013 AL Rotterdam (NL)	(72) Inventors: HOUGHTON, Mark, Phillip NL-2651 VG Berkel en Rodenrijs (NL) VAN LARE, Cornelis, Elisabeth, J. NL-3137 PB Vlaardingen (NL) VERSCHELLING, Gilbert, Martin NL-3137 WL Vlaardingen (NL) (74) Representative: Fransella, Mary Evelyn, et al  Unilever PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)