(19)

(11)

EP 1 831 104 A1

(12)

(43) Date of publication: 12.09.2007 Bulletin 2007/37 (21) Application number: 04788722.9 (22) Date of filing: 09.09.2004

(51) International Patent Classification (IPC):  C01G 3/00(2006.01) C01G 9/00(2006.01) C01F 7/00(2006.01) C01G 5/00(2006.01) C01G 53/00(2006.01) (86) International application number: PCT/US2004/029891 (87) International publication number: WO 2006/031229 (23.03.2006 Gazette 2006/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 09.09.2003 US 501084 P (71) Applicant: Noble Fiber Technologies, Inc. Clarks Summit, PA 18411 (US)	(72) Inventors: CHANDRA, Satish, N. Lansdale, PA 19446 (US) MCNALLY, William, F. Clarks Summit, PA 18411 (US) NAIK, Vinesh DuPont, PA 18641 (US) FUREY, Joel, M. Stowe, VT 05672 (US) (74) Representative: Ferreccio, Rinaldo  c/o Botti & Ferrari S.r.l. Via Locatelli 5 20124 Milano 20124 Milano (IT)