(19)

(11)

EP 2 797 694 A1

(12)

(43) Date of publication: 05.11.2014 Bulletin 2014/45 (21) Application number: 11879116.9 (22) Date of filing: 29.12.2011

(51) International Patent Classification (IPC):  B01J 38/48(2006.01) (86) International application number: PCT/US2011/067702 (87) International publication number: WO 2013/101015 (04.07.2013 Gazette 2013/27)

(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: 28.12.2011 US 201161580759 P (71) Applicant: Eastman Chemical Company Kingsport, TN 37660 (US)	(72) Inventors: STEINHOFF, Bradley, Alan Gray, TN 37615 (US) MOORE, Chad Oxford, Alabama 36203 (US) (74) Representative: Wibbelmann, Jobst  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)