(19)

(11)

EP 1 487 264 A2

(12)

(88) Date of publication A3: 18.03.2004 (43) Date of publication: 22.12.2004 Bulletin 2004/52 (21) Application number: 03744922.0 (22) Date of filing: 26.03.2003

(51) International Patent Classification (IPC)7: A01N 1/02 (86) International application number: PCT/GB2003/001334 (87) International publication number: WO 2003/080139 (02.10.2003 Gazette 2003/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 26.03.2002 WO PCT/GB02/01183 30.04.2002 GB 0209874 (71) Applicant: UNIVERSITY COLLEGE LONDON London WC1E 6BT (GB)	(72) Inventors: MASON, Christopher London,Greater London SE16 7RR (GB) TOWN, Martin, Arthur London,Greater London SE6 2LD (GB) (74) Representative: Paget, Hugh Charles Edward et al Mewburn Ellis LLPYork House23 Kingsway London WC2B 6HP London WC2B 6HP (GB)