(19)

(11)

EP 1 668 138 A2

(12)

(88) Date of publication A3: 02.06.2005 (43) Date of publication: 14.06.2006 Bulletin 2006/24 (21) Application number: 04783682.0 (22) Date of filing: 09.09.2004

(51) International Patent Classification (IPC):  C12N 15/82(1990.01) A01H 5/00(1968.09) C12N 9/04(1980.01) (86) International application number: PCT/US2004/029541 (87) International publication number: WO 2005/026368 (24.03.2005 Gazette 2005/12)

(84) Designated Contracting States: IT (30) Priority: 10.09.2003 US 501788 P (71) Applicant: E. I. du Pont de Nemours and Company Wilmington, Delaware 19898 (US)

(72) Inventors: FADER, Gary, M. Landenberg, PA 19350 (US) FAMODU, Omolayo, O. Newark, DE 19702 (US) HUANG, Lisa, L. Hockessin, DE 19707 (US) CONCEICAO, Alexandre, da Silva Wilmington, DE 19809 (US) MCGONIGLE, Brian Wilmington, DE 19806 (US) TAO, Yong Newark, DE 19711 (US) (74) Representative: Webber, Philip Michael  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)