(19)

(11)

EP 1 034 153 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 98946584.4 (22) Date of filing: 08.10.1998

(51) International Patent Classification (IPC)7: C07B 61/00, G06F 17/50 (86) International application number: PCT/GB9803/017 (87) International publication number: WO 9926/901 (03.06.1999 Gazette 1999/22)

(84) Designated Contracting States: CH DE DK FR GB LI SE (30) Priority: 24.11.1997 GB 9724784 (71) Applicant: Biofocus PLC Sittingbourne,Kent ME9 8AZ (GB)	(72) Inventors: WOOD, John,BioFocus plc Sittingbourne,Kent ME9 8AZ (GB) ROSE, Valerie Sarah,BioFocus plc Sittingbourne,Kent ME9 8AZ (GB) (74) Representative: Maggs, Michael Norman et al Kilburn & Strode20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)