(19)

(11)

EP 0 805 821 A1

(12)

(43) Date of publication: 12.11.1997 Bulletin 1997/46 (21) Application number: 96943518.0 (22) Date of filing: 26.11.1996

(51) International Patent Classification (IPC):  G01N 33/ 53( . ) G01N 33/ 531( . ) C07K 14/ 47( . ) (86) International application number: PCT/US1996/018878 (87) International publication number: WO 1997/019955 (05.06.1997 Gazette 1997/24)

(84) Designated Contracting States: DE FR GB (30) Priority: 29.11.1995 US 19950564526 (71) Applicant: DADE INTERNATIONAL INC. Deerfield, Illinois 60015 (US)	(72) Inventors: MORJANA, Nihmat, A. Pembroke, FL 33025 (US) DEMARCO, Curtis Plantation, FL 33325 (US) (74) Representative: MacGregor, Gordon, et al  ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate Nottingham, NG1 1LE Nottingham, NG1 1LE (GB)