(19)

(11)

EP 0 720 645 A1

(12)

(43) Date of publication: 10.07.1996 Bulletin 1996/28 (21) Application number: 94926226.0 (22) Date of filing: 30.08.1994

(51) International Patent Classification (IPC):  C11D 1/ 66( . ) C11D 1/ 835( . ) C11D 3/ 26( . ) D06M 13/ 02( . ) D06M 13/ 46( . ) C11D 1/ 72( . ) C11D 1/ 62( . ) C11D 3/ 00( . ) C11D 17/ 06( . ) D06M 13/ 322( . ) D06M 13/ 463( . ) (86) International application number: PCT/EP1994/002890 (87) International publication number: WO 1995/008618 (30.03.1995 Gazette 1995/14)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 22.09.1993 GB 19930019566 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventor: ERIKSEN, Sigrun Merseyside L63 0JE (GB) (74) Representative: Mole, Peter Geoffrey  UNILEVER PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)