(19)

(11)

EP 0 877 786 A1

(12)

(43) Date of publication: 18.11.1998 Bulletin 1998/47 (21) Application number: 96933428.0 (22) Date of filing: 25.09.1996

(51) International Patent Classification (IPC):  C11D 1/ 835( . ) C11D 1/ 62( . ) C11D 3/ 00( . ) C11D 1/ 66( . ) (86) International application number: PCT/EP1996/004260 (87) International publication number: WO 1997/015651 (01.05.1997 Gazette 1997/19)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 23.10.1995 GB 19950021667 (60) Divisional application: 01123909.2 / 1179582 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. 3013 AL Rotterdam (NL)	(72) Inventor: TURNER, Graham, Andrew Bromborough Wirral Merseyside L62 6DD (GB) (74) Representative: Mole, Peter Geoffrey  UNILEVER PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)