(19)

(11)

EP 1 230 564 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 00966329.5 (22) Date of filing: 12.10.2000

(51) International Patent Classification (IPC)7: G01T 1/29 (86) International application number: PCT/GB0003/917 (87) International publication number: WO 0136/998 (25.05.2001 Gazette 2001/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 16.11.1999 GB 9926933 (71) Applicant: MEDICAL RESEARCH COUNCIL London W1N 4AL (GB)	(72) Inventors: ARNDT, Ulrich, Wolfgang Cambridge CB2 2AS (GB) KYTE, Martin Paul Isleham,Cambridgeshire CB7 5TE (GB) (74) Representative: Roberts, David Leslie et al Keith W. Nash & Co.,90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)