(19)

(11)

EP 0 706 560 A1

(12)

(43) Date of publication: 17.04.1996 Bulletin 1996/16 (21) Application number: 94923685.0 (22) Date of filing: 23.06.1994

(51) International Patent Classification (IPC):  C11D 11/ 00( . ) C11D 17/ 06( . ) (86) International application number: PCT/EP1994/002064 (87) International publication number: WO 1995/001418 (12.01.1995 Gazette 1995/03)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 02.07.1993 EP 19930305236 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventor: HOUGHTON, Mark, Phillip NL-2651 VG Berkel en Rodenrijs (NL) (74) Representative: Geary, Stephen, et al  Unilever Plc, Patent Division, Colworth House Sharnbrook, Bedford MK44 1LQ Sharnbrook, Bedford MK44 1LQ (GB)