(19)

(11)

EP 0 699 226 A1

(12)

(43) Date of publication: 06.03.1996 Bulletin 1996/10 (21) Application number: 94915114.0 (22) Date of filing: 26.04.1994

(51) International Patent Classification (IPC):  C11D 1/ 66( . ) C11D 1/ 72( . ) C11D 1/ 68( . ) C11D 3/ 37( . ) (86) International application number: PCT/EP1994/001290 (87) International publication number: WO 1994/026858 (24.11.1994 Gazette 1994/26)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 18.05.1993 GB 19930010365 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventor: SHARPLES, Martin Wirral, Merseyside L63 2PB (GB) (74) Representative: Elliott, Peter William, et al  Unilever plc Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)