(19)

(11)

EP 2 276 701 A1

(12)

(43) Date of publication: 26.01.2011 Bulletin 2011/04 (21) Application number: 09723935.4 (22) Date of filing: 26.03.2009

(51) International Patent Classification (IPC):  C01F 17/00(2006.01) B01J 23/10(2006.01) (86) International application number: PCT/US2009/038398 (87) International publication number: WO 2009/120866 (01.10.2009 Gazette 2009/40)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 30.01.2009 US 363329 27.03.2008 US 39879 29.09.2008 US 240170 30.01.2009 US 363310 (71) Applicant: Umicore AG & Co. KG 63457 Hanau-Wolfgang (DE)	(72) Inventors: SOUTHWARD, Barry, W.l. 60320 Frankfurt Am Main (DE) ELLIS, Curt Broken Arrow OK 74012 (US)