(19)

(11)

EP 2 756 057 A2

(12)

(88) Date of publication A3: 27.06.2013 (43) Date of publication: 23.07.2014 Bulletin 2014/30 (21) Application number: 12831213.9 (22) Date of filing: 12.09.2012

(51) International Patent Classification (IPC):  C10G 47/02(2006.01) C10G 45/04(2006.01) (86) International application number: PCT/US2012/054723 (87) International publication number: WO 2013/039950 (21.03.2013 Gazette 2013/12)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 15.09.2011 US 201113233455 15.09.2011 US 201113233477 15.09.2011 US 201113233491 (71) Applicant: Chevron U.S.A. Inc. San Ramon, CA 94583 (US)	(72) Inventors: YANG, Shuwu San Ramon, CA 94583 (US) CHABOT, Julie San Ramon, CA 94583 (US) REYNOLDS, Bruce, Edward San Ramon, CA 94583 (US) KOU, Bo San Ramon, CA 94583 (US) (74) Representative: Nash, David Allan  Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)