(19)

(11)

EP 0 484 367 A1

(12)

(43) Date of publication: 13.05.1992 Bulletin 1992/20 (21) Application number: 90910806.0 (22) Date of filing: 24.07.1990

(51) International Patent Classification (IPC):  C12M 1/ 26( . ) G01N 35/ 00( . ) C12M 1/ 32( . ) G01N 35/ 10( . ) (86) International application number: PCT/GB1990/001137 (87) International publication number: WO 1991/001364 (07.02.1991 Gazette 1991/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 24.07.1989 GB 19890016858 (71) Applicant: IMPERIAL CANCER RESEARCH TECHNOLOGY LIMITED London WC2A 3NL (GB)	(72) Inventor: LEHRACH, Hans Rudolf, c/o Imp.Cancer Research Fund London WC2A 3PX (GB) (74) Representative: Ayers, Martyn Lewis Stanley, et al  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)