(19)

(11)

EP 0 633 934 A1

(12)

(43) Date of publication: 18.01.1995 Bulletin 1995/03 (21) Application number: 93907972.0 (22) Date of filing: 02.04.1993

(51) International Patent Classification (IPC):  C07K 14/ 72( . ) C12N 15/ 113( . ) A61K 38/ 00( . ) C07K 14/ 82( . ) C12N 15/ 12( . ) (86) International application number: PCT/GB1993/000686 (87) International publication number: WO 1993/020200 (14.10.1993 Gazette 1993/25)

(84) Designated Contracting States: BE CH DE DK ES FR GB IE IT LI LU NL SE (30) Priority: 02.04.1992 GB 19920007275 02.04.1992 GB 19920007276 (71) Applicant: IMPERIAL CANCER RESEARCH TECHNOLOGY LIMITED London WC2A 3NL (GB)	(72) Inventor: EVAN, Gerard Ian 44 Lincoln's Inn Fields, London WC2A 3PX (GB) (74) Representative: Bassett, Richard Simon  ERIC POTTER & CLARKSON St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)