(19)

(11)

EP 0 871 674 A1

(12)

(43) Date of publication: 21.10.1998 Bulletin 1998/43 (21) Application number: 95944707.0 (22) Date of filing: 05.01.1996

(51) International Patent Classification (IPC):  A23G 3/ 34( . ) C08B 37/ 00( . ) A23L 1/ 0526( . ) (86) International application number: PCT/IB1995/001171 (87) International publication number: WO 1997/025354 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: RHONE-POULENC INC. Monmouth Junction, New Jersey 08852 (US)	(72) Inventors: SWARTZ, William, Ewing Cranbury, NJ 08512 (US) HOPPE, Graig, Alan Plainsboro, NJ 08536 (US) ELFSTRUM, James, Thomas Cranbury, NJ 08512 (US) (74) Representative: Kyle, Diana  Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)