(19)

(11)

EP 1 720 953 A2

(12)

(88) Date of publication A3: 04.05.2006 (43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05722453.7 (22) Date of filing: 12.01.2005

(51) International Patent Classification (IPC):  C09K 5/04(2006.01) (86) International application number: PCT/US2005/001511 (87) International publication number: WO 2005/094395 (13.10.2005 Gazette 2005/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 04.03.2004 US 549978 P 16.12.2004 US 14006 (71) Applicant: E.I. DUPONT DE NEMOURS AND COMPANY, Legal Patent Records Center Wilmington, DE 19898 (US)	(72) Inventors: MINOR, Barbara, Haviland Elkton, Maryland 21921 (US) NAPPA, Mario, J. Newark, Delaware 19711 (US) LECK, Thomas, J. Hockessin, Delaware 19707 (US) (74) Representative: Matthews, Derek Peter  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)