(19)

(11)

EP 0 287 655 A1

(12)

(43) Date of publication: 26.10.1988 Bulletin 1988/43 (21) Application number: 87907899.0 (22) Date of filing: 09.11.1987

(51) International Patent Classification (IPC):  G01N 33/ 53( . ) G01N 33/ 558( . ) G01N 33/ 80( . ) G01N 33/ 543( . ) G01N 33/ 569( . ) (86) International application number: PCT/US1987/002974 (87) International publication number: WO 1988/003650 (19.05.1988 Gazette 1988/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.11.1986 US 19860930641 (71) Applicant: GENE LABS, INC. Redwood City, CA 94603 (US)	(72) Inventor: HEWETT, Gary, E. Atherton, CA 94025 (US) (74) Representative: Harrison, David Christopher, et al  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)