(19)

(11)

EP 0 948 612 A2

(12)

(43) Date of publication: 13.10.1999 Bulletin 1999/41 (21) Application number: 97952623.0 (22) Date of filing: 31.12.1997

(51) International Patent Classification (IPC):  A01K 67/ 033( . ) C07K 14/ 47( . ) C07K 14/ 435( . ) C12N 15/ 85( . ) (86) International application number: PCT/US1997/023819 (87) International publication number: WO 1998/028971 (09.07.1998 Gazette 1998/27)

(84) Designated Contracting States: CH DE FR GB LI (30) Priority: 03.01.1997 US 19970778645 03.01.1997 US 19970080222P (71) Applicant: University Technology Corporation Boulder, CO 80301 (US)	(72) Inventor: LINK, Christopher Boulder, CO 80302 (US) (74) Representative: Goldin, Douglas Michael, et al  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)