(19)

(11)

EP 1 815 050 A1

(12)

(43) Date of publication: 08.08.2007 Bulletin 2007/32 (21) Application number: 05852006.5 (22) Date of filing: 21.11.2005

(51) International Patent Classification (IPC):  D02G 3/44(2006.01) D02G 3/04(2006.01) (86) International application number: PCT/US2005/042311 (87) International publication number: WO 2006/058001 (01.06.2006 Gazette 2006/22)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 23.11.2004 US 997721 (71) Applicant: E.I. DUPONT DE NEMOURS AND COMPANY Wilmington, Delaware 19898 (US)	(72) Inventor: KORALEK, Alan, Sanford Midlothian, Virginia 23113 (US) (74) Representative: Morf, Jan Stefan  Abitz & Partner Patentanwälte Postfach 86 01 09 81628 München 81628 München (DE)