(19)

(11)

EP 1 781 760 A1

(12)

(43) Date of publication: 09.05.2007 Bulletin 2007/19 (21) Application number: 05793506.6 (22) Date of filing: 07.07.2005

(51) International Patent Classification (IPC):  C10G 29/16(2006.01) B01J 21/00(2006.01) C10G 19/073(2006.01) B01J 23/00(2006.01) (86) International application number: PCT/US2005/023977 (87) International publication number: WO 2006/014486 (09.02.2006 Gazette 2006/06)

(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 (30) Priority: 07.07.2004 US 586026 P (71) Applicant: CALIFORNIA INSTITUTE OF TECHNOLOGY Pasadena, CA 91115 (US)	(72) Inventors: TANG, Yongchun Walnut, California 91789 (US) ZHANG, Aihua Covina, CA 91722 (US) (74) Representative: Banford, Paul Clifford et al Marks & Clerk, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)