(19)

(11)

EP 1 000 089 A1

(12)

(43) Date of publication: 17.05.2000 Bulletin 2000/20 (21) Application number: 98938008.4 (22) Date of filing: 28.07.1998

(51) International Patent Classification (IPC)7: C08F 2/46, C08F 2/48, C08H 1/00, C08J 3/28, C08L 89/00 (86) International application number: PCT/US9815/382 (87) International publication number: WO 9905/180 (04.02.1999 Gazette 1999/05)

(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: 28.07.1997 US 53872 P (71) Applicants: FIBROGEN, INC. South San Francisco, CA 94080 (US) ACADEMY OF FINLAND 00550 Helsinki (FI)	(72) Inventors: NEFF, Thomas, B. Atherton, CA 94027 (US) KIVIRIKKO, Kari, I. FIN-90650 Oulu (FI) (74) Representative: Hallybone, Huw George  CARPMAELS AND RANSFORD43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)