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EP 2 303 998 A2

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(88) Date of publication A3: 22.04.2010 (43) Date of publication: 06.04.2011 Bulletin 2011/14 (21) Application number: 09767556.5 (22) Date of filing: 15.06.2009

(51) International Patent Classification (IPC):  C10L 1/08(2006.01) C10L 1/22(2006.01) C10G 45/06(2006.01) C10G 65/02(2006.01) C10L 1/16(2006.01) C10L 1/24(2006.01) C10G 45/10(2006.01) (86) International application number: PCT/US2009/047385 (87) International publication number: WO 2009/155246 (23.12.2009 Gazette 2009/52)

(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: 19.06.2008 US 142229 (71) Applicant: Chevron U.S.A., Inc. San Ramon, CA 94583 (US)	(72) Inventors: LOPEZ, Jaime Benicia CA 94510 (US) LICHTENBERGER, Janine Berkeley CA 94704 (US) MEEKER, Ronald, K. Clayton CA 94517 (US) ALLINSON, Paul, A. Danville CA 94506 (US) CANNELLA, William, J. Orinda CA 94563 (US) (74) Representative: Nash, David Allan et al Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)