(19)

(11)

EP 2 970 781 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 14775015.2 (22) Date of filing: 04.03.2014

(51) International Patent Classification (IPC):  C10G 21/12(2006.01) C10G 29/20(2006.01) (86) International application number: PCT/US2014/020289 (87) International publication number: WO 2014/158808 (02.10.2014 Gazette 2014/40)

(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 Designated Extension States: BA ME (30) Priority: 14.03.2013 US 201313804172 14.03.2013 US 201313804430 14.03.2013 US 201313804662 (71) Applicant: Chevron U.S.A. Inc. San Ramon, CA 94583 (US)

(72) Inventors: O'REAR, Dennis John San Ramon, California 94583 (US) COOPER, Russell Evan San Ramon, California 94583 (US) TAO, Fan-Sheng Teddy San Ramon, California 94583 (US) HOBBS, Ronald San Ramon, California 94583 (US) ODUEYUNGBO, Seyi Abiodun San Ramon, California 94583 (US) GRICE, Kevin John San Ramon, California 94583 (US) (74) Representative: Nash, David Allan  Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)