(19)

(11)

EP 1 421 184 A2

(12)

(88) Date of publication A3: 11.03.2004 (43) Date of publication: 26.05.2004 Bulletin 2004/22 (21) Application number: 02726146.0 (22) Date of filing: 07.03.2002

(51) International Patent Classification (IPC)7: C12N 7/04, A61K 39/12, C12N 15/40, C12N 7/06, C12N 7/08 (86) International application number: PCT/EP2002/002486 (87) International publication number: WO 2002/072802 (19.09.2002 Gazette 2002/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 09.03.2001 US 274603 P (71) Applicant: BOEHRINGER INGELHEIM VETMEDICA GMBH 55216 Ingelheim am Rhein (DE)	(72) Inventors: ELBERS, Knut 55435 Gau Algesheim (DE) PESCHKE, Stefan 48145 Münster (DE) SCHUETZ, Bettina 53340 Meckenheim-Merl (DE) (74) Representative: Mahlbacher, Volker et al Boehringer Ingelheim GmbH,CD Patents 55216 Ingelheim 55216 Ingelheim (DE)