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(11)

EP 1 725 704 A1

(12)

(43) Date of publication: 29.11.2006 Bulletin 2006/48 (21) Application number: 05730009.7 (22) Date of filing: 16.03.2005

(51) International Patent Classification (IPC):  D02G 3/04(2006.01) D02G 3/44(2006.01) (86) International application number: PCT/US2005/008885 (87) International publication number: WO 2005/090660 (29.09.2005 Gazette 2005/39)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 18.03.2004 US 803384 (71) Applicant: E.I. DUPONT DE NEMOURS AND COMPANY Wilmington, DE 19808 (US)	(72) Inventor: ZHU, Reiyao Midlothian, VA 23112 (US) (74) Representative: Morf, Jan Stefan  Abitz & Partner Patentanwälte, Poschingerstrasse 6 81679 München 81679 München (DE)