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EP 2 686 472 A1

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(43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 11860840.5 (22) Date of filing: 16.03.2011

(51) International Patent Classification (IPC):  D04B 21/20(2006.01) D04B 1/22(2006.01) (86) International application number: PCT/US2011/028681 (87) International publication number: WO 2012/125164 (20.09.2012 Gazette 2012/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (71) Applicants: Stoneferry Technology, Inc. Atlanta, GA 30345 (US) Sinoma Science & Technology Ltd. Nanjing Jiangsu 210012 (CN)	(72) Inventors: MI, Zhong-xing Raleigh, NC 27606 (US) ZHAO, Qian Nanjing Jiangsu 210012 (CN) WANG, Youjiang Atlanta, GA 30345 (US) CHEN, Shijie Nanjing Jiangsu 210012 (CN) (74) Representative: Jordan, Volker Otto Wilhelm et al Weickmann & Weickmann Patentanwälte Postfach 860 820 81635 München 81635 München (DE)