(19)

(11)

EP 0 855 027 A1

(12)

(43) Date of publication: 29.07.1998 Bulletin 1998/31 (21) Application number: 96932751.0 (22) Date of filing: 11.10.1996

(51) International Patent Classification (IPC):  G01N 33/ 53( . ) G01N 33/ 574( . ) (86) International application number: PCT/IB1996/001083 (87) International publication number: WO 1997/014037 (17.04.1997 Gazette 1997/17)

(84) Designated Contracting States: CH DE FR GB IT LI (30) Priority: 12.10.1995 US P 5585 (71) Applicant: Chiron Diagnostics Corporation East Walpole, MA 02032 (US)	(72) Inventors: WALKER, Roger, P. Benicia, CA 94510 (US) EL-AHMADY, Omar Cairo (EG) (74) Representative: Goldin, Douglas Michael  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)