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(11)

EP 2 627 204 A1

(12)

(43) Date of publication: 21.08.2013 Bulletin 2013/34 (21) Application number: 12846228.0 (22) Date of filing: 11.10.2012

(51) International Patent Classification (IPC):  A24D 3/02(2006.01) A24C 5/47(2006.01) A24D 3/08(2006.01) (86) International application number: PCT/US2012/059743 (87) International publication number: WO 2013/066589 (10.05.2013 Gazette 2013/19)

(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 (30) Priority: 14.10.2011 WO PCT/US2011/056388 (71) Applicant: Celanese Acetate LLC Dallas, TX 75234 (US)	(72) Inventors: GARRETT, Thomas, S. Narrows, VA 24124 (US) ROBERTSON, Raymond, M. Blacksburg, VA 24060 (US) KIZER, Lawton, E. Blacksburg, VA 24060 (US) GOU, Zeming Pearisburg, VA 24134 (US) (74) Representative: Lahrtz, Fritz  Isenbruck Bösl Hörschler LLP Patentanwälte Prinzregentenstraße 68 81675 München 81675 München (DE)