(19)

(11)

EP 0 861 119 A1

(12)

(43) Date of publication: 02.09.1998 Bulletin 1998/36 (21) Application number: 96938590.0 (22) Date of filing: 06.11.1996

(51) International Patent Classification (IPC):  B01J 20/ 285( . ) B01D 15/ 08( . ) B01J 20/ 28( . ) G01N 30/ 88( . ) B01D 15/ 02( . ) B01D 15/ 18( . ) B01J 20/ 281( . ) (86) International application number: PCT/SE1996/001431 (87) International publication number: WO 1997/017132 (15.05.1997 Gazette 1997/21)

(84) Designated Contracting States: CH DE DK FI FR GB IT LI NL SE (30) Priority: 07.11.1995 SE 19950003926 (71) Applicant: Pharmacia Biotech AB 751 82 Uppsala (SE)	(72) Inventors: BERG, Hans S-752 63 Uppsala (SE) CARLSSON, Mats S-740 22 Bälinge (SE) LINDSTRÖM, Dag S-740 33 Vattholma (SE) (74) Representative: Rollins, Anthony John  Group Patents, Nycomed Amersham plc, White Lion Road Amersham, Buckinghamshire HP7 9LL Amersham, Buckinghamshire HP7 9LL (GB)