(19)

(11)

EP 1 337 139 A2

(12)

(88) Date of publication A3: 19.09.2002 (43) Date of publication: 27.08.2003 Bulletin 2003/35 (21) Application number: 01979515.2 (22) Date of filing: 05.10.2001

(51) International Patent Classification (IPC)7: A01G 31/00 (86) International application number: PCT/US0131/254 (87) International publication number: WO 0203/4755 (02.05.2002 Gazette 2002/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 27.10.2000 US 244050 P (71) Applicant: CORNELL RESEARCH FOUNDATION, INC. Ithaca, NY 14850 (US)	(72) Inventor: JOHNSON, Corinne Ithaca, NY 14850 (US) (74) Representative: Matthews, Derek Peter  Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)