(19)

(11)

EP 0 807 248 A1

(12)

(43) Date of publication: 19.11.1997 Bulletin 1997/47 (21) Application number: 96902546.0 (22) Date of filing: 31.01.1996

(51) International Patent Classification (IPC):  G01N 21/ 64( . ) G01N 27/ 447( . ) G01N 21/ 78( . ) G01N 33/ 58( . ) (86) International application number: PCT/SE1996/000110 (87) International publication number: WO 1996/024043 (08.08.1996 Gazette 1996/36)

(84) Designated Contracting States: DE FR GB (30) Priority: 01.02.1995 SE 19950000360 (71) Applicant: Pharmacia Biotech AB 751 82 Uppsala (SE)	(72) Inventor: ANDERSSON, Bengt-Göran S-191 40 Sollentuna (SE) (74) Representative: Widén, Björn, et al  Pharmacia & Upjohn AB, Patent Department 751 82 Uppsala 751 82 Uppsala (SE)