(19)

(11)

EP 0 637 252 A1

(12)

(43) Date of publication: 08.02.1995 Bulletin 1995/06 (21) Application number: 93911859.0 (22) Date of filing: 22.04.1993

(51) International Patent Classification (IPC):  A61K 49/ 06( . ) (86) International application number: PCT/GB1993/000843 (87) International publication number: WO 1993/021960 (11.11.1993 Gazette 1993/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.04.1992 GB 19920008908 (71) Applicants: COCKBAIN, Julian Roderick Michaelson London W11 3PD (GB) NYCOMED IMAGING AS N-0401 Oslo 4 (NO)	(72) Inventors: KLAVENESS, Jo N-1166 Oslo (NO) BERG, Arne N-1300 Sandvika (NO) (74) Representative: Cockbain, Julian, Dr., et al  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)