(19)

(11)

EP 1 097 123 A1

(12)

(43) Date of publication: 09.05.2001 Bulletin 2001/19 (21) Application number: 99931365.3 (22) Date of filing: 12.07.1999

(51) International Patent Classification (IPC)7: C07C 211/63, G01N 31/22, A61M 16/04 (86) International application number: PCT/GB9902/081 (87) International publication number: WO 0002/844 (20.01.2000 Gazette 2000/03)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 11.07.1998 GB 9815001 (71) Applicant: Sensormetrix International Limited Road Town,Tortola (VG)	(72) Inventors: ALBADRAN, Jafar Portsmouth PO6 1SZ (GB) McMURRAY, Neil Hamilton Swansea SA2 8PP (GB) (74) Representative: Harrison Goddard Foote  Tower House,Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)