(19)

(11)

EP 0 479 788 A1

(12)

(43) Date of publication: 15.04.1992 Bulletin 1992/16 (21) Application number: 90905464.0 (22) Date of filing: 03.04.1990

(51) International Patent Classification (IPC):  C11D 17/ 00( . ) D06F 39/ 02( . ) C11D 17/ 04( . ) (86) International application number: PCT/EP1990/000525 (87) International publication number: WO 1990/012864 (01.11.1990 Gazette 1990/25)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 24.04.1989 GB 19890009253 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3000 DK Rotterdam (NL)	(72) Inventors: DONKER, Cornelis, Bernard Caldy, Wirral, L48 2LF (GB) MORTELIER, Gerard 91530 Saint Quen (FR) WALLAERT, Raymond Jean 59237 Verlinghem (FR) (74) Representative: Joppe, Hermina L. P., et al  Unilever N.V. Patent Division P.O. Box 137 NL-3130 AC Vlaardingen NL-3130 AC Vlaardingen (NL)