(19)

(11)

EP 3 274 106 A1

(12)

(43) Date of publication: 31.01.2018 Bulletin 2018/05 (21) Application number: 16715205.7 (22) Date of filing: 24.03.2016

(51) International Patent Classification (IPC):  B08B 9/027(2006.01) B08B 9/055(2006.01) B08B 9/043(2006.01) (86) International application number: PCT/US2016/023931 (87) International publication number: WO 2016/154394 (29.09.2016 Gazette 2016/39)

(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 Designated Validation States: MA MD (30) Priority: 25.03.2015 US 201562138063 P 25.03.2015 US 201562138078 P (71) Applicant: Chevron U.S.A. Inc. San Ramon, California 94583 (US)

(72) Inventors: O'REAR, Dennis John San Ramon, California 94583 (US) GRICE, Kevin J. San Ramon, California 94583 (US) PRADHAN, Vijay San Ramon, California 94583 (US) DASSEY, Adam J. San Ramon, California 94583 (US) HAKAM, Aly San Ramon, California 94583 (US) TIWARY, Asheesh San Ramon, California 94583 (US) (74) Representative: Haseltine Lake LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)