(19)

(11)

EP 2 114 558 A1

(12)

(43) Date of publication: 11.11.2009 Bulletin 2009/46 (21) Application number: 07777562.5 (22) Date of filing: 11.01.2007

(51) International Patent Classification (IPC):  B01J 8/02(2006.01) B01J 19/26(2006.01) B01J 19/24(2006.01) (86) International application number: PCT/US2007/060382 (87) International publication number: WO 2008/085522 (17.07.2008 Gazette 2008/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: UOP LLC Des Plaines, IL 60017-5017 (US)	(72) Inventors: TOWLER, Gavin P. Des Plaines, Illinois 60017-5017 (US) VANDEN BUSSCHE, Kurt M. 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)