(19)

(11)

EP 0 960 120 A1

(12)

(43) Date of publication: 01.12.1999 Bulletin 1999/48 (21) Application number: 97924583.0 (22) Date of filing: 06.05.1997

(51) International Patent Classification (IPC):  C12N 15/ 02( . ) A61K 31/ 70( . ) A61K 38/ 00( . ) A61P 35/ 00( . ) A61P 43/ 00( . ) C07K 16/ 18( . ) C12N 15/ 09( . ) C12Q 1/ 68( . ) A61K 31/ 00( . ) A61K 31/ 7088( . ) A61K 48/ 00( . ) A61P 35/ 02( . ) C07K 14/ 47( . ) C12N 5/ 10( . ) C12P 21/ 02( . ) (86) International application number: PCT/US1997/007574 (87) International publication number: WO 1997/042218 (13.11.1997 Gazette 1997/49)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 06.05.1996 US 19960016876P 13.05.1996 US 19960017294P 18.06.1996 US 19960020450P 16.12.1996 US 19960032994P 14.01.1997 US 19970035090P (71) Applicant: CHIRON CORPORATION Emeryville, California 94608-2916 (US)	(72) Inventor: RANDAZZO, Filippo Emeryville, CA 94608 (US) (74) Representative: Goldin, Douglas Michael  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)