(19)

(11)

EP 0 730 628 A1

(12)

(43) Date of publication: 11.09.1996 Bulletin 1996/37 (21) Application number: 95900745.0 (22) Date of filing: 12.11.1994

(51) International Patent Classification (IPC):  C11D 1/ 83( . ) C11D 1/ 14( . ) C11D 3/ 20( . ) C11D 1/ 72( . ) (86) International application number: PCT/EP1994/003790 (87) International publication number: WO 1995/014756 (01.06.1995 Gazette 1995/23)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 24.11.1993 GB 19930024126 21.06.1994 GB 19940012377 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. 3013 AL Rotterdam (NL)	(72) Inventors: BOWDEN, Elaine, Ann Merseyside L61 9QN (GB) FRY, Alan, John South Wirral Cheshire L65 5DL (GB) (74) Representative: Elliott, Peter William, et al  Unilever plc Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)