(19)

(11)

EP 1 129 178 A1

(12)

(43) Date of publication: 05.09.2001 Bulletin 2001/36 (21) Application number: 99962650.0 (22) Date of filing: 12.11.1999

(51) International Patent Classification (IPC)7: C12N 7/00 (86) International application number: PCT/US9924/017 (87) International publication number: WO 0029/557 (25.05.2000 Gazette 2000/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.11.1998 US 108168 P (71) Applicant: CELL GENESYS, INC. Foster City, CA 94404 (US)	(72) Inventors: BUKOVSKY, Anatoly Foster City, CA 94404 (US) NALDINI, Luigi Foster City, CA 94404 (US) (74) Representative: Hallybone, Huw George et al CARPMAELS AND RANSFORD43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)