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EP 2 850 123 A1

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(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13790250.8 (22) Date of filing: 14.05.2013

(51) International Patent Classification (IPC):  C08J 5/06(2006.01) D01F 9/12(2006.01) D01F 11/14(2006.01) (86) International application number: PCT/US2013/040946 (87) International publication number: WO 2013/173335 (21.11.2013 Gazette 2013/47)

(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 Designated Extension States: BA ME (30) Priority: 15.05.2012 US 201213471993 (71) Applicant: Toray Carbon Fibers America Inc. Decatur, AL 35601 (US)	(72) Inventors: SEIKE, Satoshi Decatur, AL 35601 (US) KIBAYASHI, Makoto Decatur, AL 35601 (US) RAU, Anand, Valliyur Decatur, AL 35601 (US) (74) Representative: Dempster, Benjamin John Naftel et al Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)