(19)

(11)

EP 0 660 672 A1

(12)

(43) Date of publication: 05.07.1995 Bulletin 1995/27 (21) Application number: 93920715.0 (22) Date of filing: 13.09.1993

(51) International Patent Classification (IPC):  A23G 9/ 28( . ) (86) International application number: PCT/EP1993/002479 (87) International publication number: WO 1994/006305 (31.03.1994 Gazette 1994/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 15.09.1992 ES 19920001850 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. NL-3013 AL Rotterdam (NL)	(72) Inventor: CASTAN, Jose Antonio Caldas +di . (US) (74) Representative: Roscoe, Brian Corrie  UNILEVER PLC Patents Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)