(19)

(11)

EP 0 881 944 A1

(12)

(43) Date of publication: 09.12.1998 Bulletin 1998/50 (21) Application number: 97905242.0 (22) Date of filing: 24.02.1997

(51) International Patent Classification (IPC):  B01J 19/ 00( . ) C07K 1/ 04( . ) C12M 1/ 24( . ) C40B 70/ 00( . ) B01J 19/ 30( . ) C07K 1/ 06( . ) C40B 60/ 14( . ) (86) International application number: PCT/GB1997/000496 (87) International publication number: WO 1997/030784 (28.08.1997 Gazette 1997/37)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.02.1996 GB 19960003945 (71) Applicant: THE UNIVERSITY OF ST. ANDREWS, UINVERSITY COURT St Andrews, Fife KY16 9AJ, Scotland (GB)	(72) Inventors: GANI, David St. Andrews, Fife KY16 8PL (GB) AKHTAR, Mahmoud St. Andrews, Fife KY16 8XR (GB) KROLL, Friedrich Erich Karl St. Andrews, Fife KY16 8HR (GB) SMITH, Colin Forbes MacDonald St. Andrews, Fife KY16 8BE (GB) (74) Representative: Ouzman, Beverley Nicola Claire, et al  Murgitroyd and Company, 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)