(19)

(11)

EP 0 634 017 A1

(12)

(43) Date of publication: 18.01.1995 Bulletin 1995/03 (21) Application number: 92910597.0 (22) Date of filing: 31.03.1992

(51) International Patent Classification (IPC):  G01N 33/ 543( . ) G01N 33/ 576( . ) (86) International application number: PCT/US1992/002523 (87) International publication number: WO 1993/020445 (14.10.1993 Gazette 1993/25)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI (71) Applicant: ABBOTT LABORATORIES Abbott Park, Illinois 60064-3500 (US)	(72) Inventors: TASKAR, Suhas Wadsworth, IL 60083 (US) CLEMENS, John, M. Gurnee, IL 60031 (US) MIMMS, Larry, T. Lake Villa, IL 60046 (US) CHAU, Kurt, H. Libertyville, IL 60048 (US) VALLARI, David, S. Grayslake, IL 60030 (US) (74) Representative: Modiano, Guido, Dr.-Ing., et al  Modiano, Josif, Pisanty & Staub, Baaderstrasse 3 D-80469 München D-80469 München (DE)