(19)

(11)

EP 1 085 809 A1

(12)

(43) Date of publication: 28.03.2001 Bulletin 2001/13 (21) Application number: 99928482.1 (22) Date of filing: 09.06.1999

(51) International Patent Classification (IPC)7: A01N 47/38 (86) International application number: PCT/US9912/885 (87) International publication number: WO 9963/825 (16.12.1999 Gazette 1999/50)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 10.06.1998 US 88751 P 10.06.1998 US 88752 P (71) Applicant: E.I. DU PONT DE NEMOURSAND COMPANY WilmingtonDelaware 19898 (US)	(72) Inventors: LEVA, David, Michael Hockessin, DE 19707 (US) MCCANN, Stephen, Frederick Newark, DE 19711 (US) WING, Keith, Dumont Wilmington, DE 19810 (US) (74) Representative: Beacham, Annabel Rose et al Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)