(19)

(11)

EP 1 817 447 A2

(12)

(88) Date of publication A3: 24.05.2007 (43) Date of publication: 15.08.2007 Bulletin 2007/33 (21) Application number: 05858262.8 (22) Date of filing: 21.10.2005

(51) International Patent Classification (IPC):  D01F 11/12(2006.01) B82B 1/00(2006.01) C01B 31/00(2006.01) B82B 3/00(2006.01) (86) International application number: PCT/US2005/038116 (87) International publication number: WO 2006/135439 (21.12.2006 Gazette 2006/51)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 22.10.2004 US 621132 P 26.09.2005 US 720806 P (71) Applicant: HYPERION CATALYSIS INTERNATIONAL, INC. Cambridge, MA 02138 (US)	(72) Inventors: MA, Jun Lexington, MA 01940 (US) CHISHTI, Asif Lowell, MA 01854 (US) NGAW, Lein Lowell, MA 01854 (US) FISCHER, Allen Cambridge, MA 02139 (US) BRADEN, Robert Belmont, MA 02478 (US) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE)