(19)

(11)

EP 1 725 709 A2

(12)

(88) Date of publication A3: 06.04.2006 (43) Date of publication: 29.11.2006 Bulletin 2006/48 (21) Application number: 05795136.0 (22) Date of filing: 16.03.2005

(51) International Patent Classification (IPC):  D06P 3/82(2006.01) (86) International application number: PCT/US2005/008883 (87) International publication number: WO 2006/001857 (05.01.2006 Gazette 2006/01)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 18.03.2004 US 803382 (71) Applicant: E.I. du Pont de Nemours and Company Wilmington, DE 19898 (US)	(72) Inventor: ZHU, Reiyao Midlothian, Virginia 23112 (US) (74) Representative: Heinemann, Monica  Abitz & Partner Patentanwälte Poschingerstrasse 6 81679 München 81679 München (DE)