(19)

(11)

EP 2 686 096 A1

(12)

(43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 12760638.2 (22) Date of filing: 19.03.2012

(51) International Patent Classification (IPC):  B01J 8/00(2006.01) (86) International application number: PCT/US2012/029621 (87) International publication number: WO 2012/129155 (27.09.2012 Gazette 2012/39)

(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: 18.03.2011 US 201161454337 P (71) Applicant: GTC Technology US LLC Houston, TX 77077 (US)	(72) Inventors: JIN, Weihua Katy, TX 77450 (US) DING, Zhongyi Katy, TX 77450 (US) (74) Representative: Whitfield, Gillian Janette  Astrum ElementOne Limited St Nicholas House 31-34 High Street Bristol BS1 2AW Bristol BS1 2AW (GB)