(19)

(11)

EP 0 449 847 A1

(12)

(43) Date of publication: 09.10.1991 Bulletin 1991/41 (21) Application number: 89912935.0 (22) Date of filing: 27.10.1989

(51) International Patent Classification (IPC):  A23J 3/ 32( . ) A23L 1/ 314( . ) A23L 1/ 227( . ) (86) International application number: PCT/US1989/004839 (87) International publication number: WO 1990/004332 (03.05.1990 Gazette 1990/10)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 28.10.1988 US 19880264261 (71) Applicant: DELTOWN CHEMURGIC CORPORATION Greenwich, CT 06830 (US)	(72) Inventors: CALLAHAN, Timothy, Q. Delhi, NY 13753 (US) GRINDSTAFF, Donald Apple Valley, MN 55124 (US) HERZ, Jack, L. Weston, CT 06883 (US) (74) Representative: Baverstock, Michael George Douglas, et al  BOULT, WADE & TENNANT 27 Furnival Street London, EC4A 1PQ London, EC4A 1PQ (GB)