(19)

(11)

EP 0 155 938 A1

(12)

(43) Date of publication: 02.10.1985 Bulletin 1985/40 (21) Application number: 83903433.0 (22) Date of filing: 28.09.1983

(51) International Patent Classification (IPC):  A61K 51/ 08( . ) G01N 33/ 574( . ) (86) International application number: PCT/US1983/001395 (87) International publication number: WO 1985/001442 (11.04.1985 Gazette 1985/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: SUMMA MEDICAL CORPORATION N.E., Albuquerque New Mexico 87109 (US)	(72) Inventors: ZABEL, Pamela, L. Burlington Ontario (CA) SHYSH, Alec Edmonton Alberta (CA) NOUJAIM, Antoine Sherwood Park Alberta (CA)