(19)

(11)

EP 1 694 893 A2

(12)

(88) Date of publication A3: 27.04.2006 (43) Date of publication: 30.08.2006 Bulletin 2006/35 (21) Application number: 04814253.3 (22) Date of filing: 15.12.2004

(51) International Patent Classification (IPC):  D04H 1/00(2006.01) (86) International application number: PCT/US2004/042047 (87) International publication number: WO 2005/059215 (30.06.2005 Gazette 2005/26)

(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: 15.12.2003 US 529490 P (71) Applicant: NORTH CAROLINA STATE UNIVERSITY Raleigh, NC 27695-8210 (US)	(72) Inventor: POURDEYHIMI, Behnam Cary, NC 27511 (US) (74) Representative: Barth, Stephan Manuel  Reinhard-Skuhra-Weise & Partner GbR, Patentanwälte Friedrichstrasse 31 80801 München 80801 München (DE)