(19)

(11)

EP 0 970 246 A1

(12)

(43) Date of publication: 12.01.2000 Bulletin 2000/02 (21) Application number: 98912592.7 (22) Date of filing: 20.03.1998

(51) International Patent Classification (IPC)7: C12Q 1/68 (86) International application number: PCT/GB9800/840 (87) International publication number: WO 9842/867 (01.10.1998 Gazette 1998/39)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL SE (30) Priority: 21.03.1997 EP 97301917 (71) Applicant: Firth, Greg Hitchin,Herts. SG4 8YJ (GB)	(72) Inventor: Firth, Greg Hitchin,Herts. SG4 8YJ (GB) (74) Representative: Pennant, Pyers et al Stevens, Hewlett & Perkins,1 Serjeants' Inn,Fleet Street London EC4Y 1NT London EC4Y 1NT (GB)