(19)

(11)

EP 2 603 736 A2

(12)

(88) Date of publication A3: 24.05.2012 (43) Date of publication: 19.06.2013 Bulletin 2013/25 (21) Application number: 11816799.8 (22) Date of filing: 01.08.2011

(51) International Patent Classification (IPC):  F22B 33/18(2006.01) F01K 7/00(2006.01) F22B 1/18(2006.01) (86) International application number: PCT/US2011/046071 (87) International publication number: WO 2012/021314 (16.02.2012 Gazette 2012/07)

(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: 09.08.2010 US 852832 (71) Applicant: UOP LLC Des Plaines, Illinois 60017-5017 (US)	(72) Inventors: ULAS ACIKGOZ, Saadet Des Plaines, Illinois 60017-5017 (US) HOEHN, Richard K. Des Plaines, Illinois 60017-5017 (US) ZHU, Xin X. Des Plaines, Illinois 60017-5017 (US) (74) Representative: Hayes, Adrian Chetwynd  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)