(19)

(11)

EP 0 710 252 A1

(12)

(43) Date of publication: 08.05.1996 Bulletin 1996/19 (21) Application number: 93915587.0 (22) Date of filing: 14.07.1993

(51) International Patent Classification (IPC):  G01N 33/ 53( . ) C12N 5/ 10( . ) C12P 21/ 08( . ) C12R 1/ 91( . ) C07K 16/ 42( . ) C12N 15/ 02( . ) G01N 33/ 68( . ) (86) International application number: PCT/CA1993/000274 (87) International publication number: WO 1995/002612 (26.01.1995 Gazette 1995/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: SPECTRAL DIAGNOSTICS INC. Toronto, Ontario M9C 1C2 (CA)	(72) Inventors: JACKOWSKI, George Hatton Hills, Ontario L9T 2X7 (CA) TAKAHASHI, Mikoyo North York, Ontario M2N 1B8 (CA) (74) Representative: Weinhold, Peter, Dr.  Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8 D-80803 München D-80803 München (DE)