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EP 2 861 789 A2

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(88) Date of publication A3: 30.05.2014 (43) Date of publication: 22.04.2015 Bulletin 2015/17 (21) Application number: 13783124.4 (22) Date of filing: 11.06.2013

(51) International Patent Classification (IPC):  D02G 3/04(2006.01) D01F 6/78(2006.01) D02G 3/44(2006.01) D01F 6/74(2006.01) (86) International application number: PCT/US2013/045127 (87) International publication number: WO 2014/007948 (09.01.2014 Gazette 2014/02)

(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: 15.06.2012 US 201261660115 P (71) Applicant: E. I. Du Pont de Nemours and Company Wilmington, Delaware 19898 (US)

(72) Inventors: BROWN, Peter, A. Wilmington, Delaware 19806 (US) CHAN, Justin, W. Wilmington, Delaware 19803 (US) COBB, Michael, W. Wilmington, Delaware 19810 (US) TADROS, Andrew Atlanta, Georgia 30318 (US) TRENTACOSTA, Joseph, D. Wilmington, Delaware 19810-3870 (US) WEINBERG, Mark, Gary Wilmington, Delaware 19810 (US) WILLIAMS, Sharlene, Renee Wilmington, Delaware 19803 (US) ZHU, Reiyao Moseley, Virginia 23120 (US) (74) Representative: Heinemann, Monica et al Abitz & Partner Patentanwälte mbB Arabellastraße 17 81925 München 81925 München (DE)