(19)

(11)

EP 0 863 974 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96938147.0 (22) Date of filing: 07.11.1996

(51) International Patent Classification (IPC):  C11D 3/ 12( . ) C11D 3/ 382( . ) C11D 3/ 22( . ) C11D 17/ 06( . ) (86) International application number: PCT/EP1996/004886 (87) International publication number: WO 1997/020020 (05.06.1997 Gazette 1997/24)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 29.11.1995 EP 19950203280 (71) Applicants: UNILEVER N.V. 3013 AL Rotterdam (NL) UNILEVER PLC London EC4P 4BQ (GB)	(72) Inventors: ARTS, Theodorus Johannes Cornelis NL-6245 AD Eijsden (NL) AUGUSTIJN, Govert Johannes NL-3606 AN Maarssen (NL) CONNOTTE, Hendrik Johannes, J. NL-3606 AN Maarssen (NL) OSINGA, Theo Jan NL-6245 AD Eijsden (NL) (74) Representative: Rosen Jacobson, Frans Lucas M., et al  Unilever N.V., Patent Division, P.O. Box 137 3130 AC Vlaardingen 3130 AC Vlaardingen (NL)