(19)

(11)

EP 0 774 121 A1

(12)

(43) Date of publication: 21.05.1997 Bulletin 1997/21 (21) Application number: 95923075.0 (22) Date of filing: 16.06.1995

(51) International Patent Classification (IPC):  G01N 33/ 531( . ) C09B 67/ 44( . ) G01N 33/ 53( . ) G01N 33/ 533( . ) C09B 15/ 00( . ) C09K 11/ 07( . ) G01N 33/ 532( . ) G01N 33/ 58( . ) (86) International application number: PCT/US1995/007642 (87) International publication number: WO 1996/002839 (01.02.1996 Gazette 1996/06)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL (30) Priority: 15.07.1994 US 19940276012 (71) Applicant: Abbott Laboratories Abbott Park, Illinois 60064-3500 (US)	(72) Inventors: MURRAY, Adrian, John Arlington Heights, IL 60004 (US) GROTE, Jonathan Green Oaks, IL 60048 (US) ST. JOHN, Sherri, J. Waukegan, IL 60085 (US) THUT, Diethild Arlington Heights, IL 60004 (US) (74) Representative: Modiano, Guido, Dr.-Ing., et al  Modiano, Josif, Pisanty & Staub, Baaderstrasse 3 80469 München 80469 München (DE)