(19)

(11)

EP 2 552 834 A2

(12)

(88) Date of publication A3: 08.03.2012 (43) Date of publication: 06.02.2013 Bulletin 2013/06 (21) Application number: 11763255.4 (22) Date of filing: 25.03.2011

(51) International Patent Classification (IPC):  C01B 39/48(2006.01) C07C 2/12(2006.01) B01J 29/70(2006.01) C07C 5/22(2006.01) (86) International application number: PCT/US2011/029898 (87) International publication number: WO 2011/123337 (06.10.2011 Gazette 2011/40)

(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: 31.03.2010 US 750939 31.03.2010 US 750923 31.03.2010 US 750911 (71) Applicant: UOP LLC Des Plaines, Illinois 60017-5017 (US)	(72) Inventors: MOSCOSO, Jaime G. Des Plaines, Illinois 60017-5017 (US) JAN, Deng-Yang Des Plaines, Illinois 60017-5017 (US) (74) Representative: Hayes, Adrian Chetwynd et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)