(19)

(11)

EP 1 028 747 A1

(12)

(43) Date of publication: 23.08.2000 Bulletin 2000/34 (21) Application number: 98957637.6 (22) Date of filing: 06.11.1998

(51) International Patent Classification (IPC)7: A61K 38/30 (86) International application number: PCT/US9823/672 (87) International publication number: WO 9924/062 (20.05.1999 Gazette 1999/20)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.11.1997 US 64891 P 11.08.1998 US 96081 P (71) Applicant: CHIRON CORPORATION EmeryvilleCalifornia 94608-2916 (US)	(72) Inventors: SHIRLEY, Bret, A. Concord, CA 94521 (US) HORA, Maninder, S. Danville, CA 94526 (US) (74) Representative: Goldin, Douglas Michael et al J.A. KEMP & CO.14 South SquareGray's Inn London WC1R 5LX London WC1R 5LX (GB)