(19)

(11)

EP 0 786 932 A1

(12)

(43) Date of publication: 06.08.1997 Bulletin 1997/32 (21) Application number: 95932501.0 (22) Date of filing: 14.09.1995

(51) International Patent Classification (IPC):  A01G 7/ 02( . ) B01F 1/ 00( . ) A01K 63/ 04( . ) B01F 3/ 04( . ) (86) International application number: PCT/US1995/011607 (87) International publication number: WO 1996/012403 (02.05.1996 Gazette 1996/20)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 19.10.1994 US 19940326128 (71) Applicant: WARNER-LAMBERT COMPANY Morris Plains New Jersey 07950 (US)	(72) Inventors: RICHTER, Arno D-49074 Osnabrück (DE) GRIESINGER, Ralph-Edgar D-49143 Bissendorf (DE) (74) Representative: Tesch, Rudolf, Dr., et al  Warner-Lambert Company, Legal Division, Patent Department, Mooswaldallee 1 79090 Freiburg 79090 Freiburg (DE)