(19)

(11)

EP 0 407 515 A1

(12)

(43) Date of publication: 16.01.1991 Bulletin 1991/03 (21) Application number: 90900314.0 (22) Date of filing: 05.12.1989

(51) International Patent Classification (IPC):  A61K 39/ 17( . ) (86) International application number: PCT/HU1989/000060 (87) International publication number: WO 1990/006131 (14.06.1990 Gazette 1990/14)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 05.12.1988 HU 19880006172 (71) Applicant: MAGYAR TUDOMANYOS AKADEMIA ALLATORVOSTUDOMANYI KUTATOINTEZETE HU-1143 Budapest XIV (HU)	(72) Inventors: MESZAROS, János H-1141 Budapest XIV (HU) LOMNICZI, Béla H-1031 Budapest III (HU) SOLYOM, Ferenc H-2030 Erd (HU) (74) Representative: von Füner, Alexander, Dr., et al  Patentanwälte v. Füner, Ebbinghaus, Finck Mariahilfplatz 2 & 3 D-81541 München D-81541 München (DE)