(19)

(11)

EP 0 662 121 A1

(12)

(43) Date of publication: 12.07.1995 Bulletin 1995/28 (21) Application number: 93920792.0 (22) Date of filing: 20.09.1993

(51) International Patent Classification (IPC):  D06L 1/ 20( . ) C11D 3/ 386( . ) C12N 9/ 20( . ) C12R 1/ 38( . ) B08B 3/ 08( . ) C11D 11/ 00( . ) C12S 11/ 00( . ) C12R 1/ 77( . ) (86) International application number: PCT/EP1993/002559 (87) International publication number: WO 1994/007989 (14.04.1994 Gazette 1994/09)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 25.09.1992 EP 19920202964 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventors: HAVERKAMP, Johan NL-2661 KL Bergschenhoek (NL) VAN DER VLIST, Pieter NL-2989 AV Ridderkerk (NL) WARMOESKERKEN, Marinus, Maria, C., G. NL-2612 HL Delft (NL) WILLEMSE, Simon NL-3131 XL Vlaardingen (NL) (74) Representative: Hartong, Richard Leroy, et al  Unilever N.V. Patent Division P.O. Box 137 NL-3130 AC Vlaardingen NL-3130 AC Vlaardingen (NL)