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EP 3 861 089 A1

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(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 19783721.4 (22) Date of filing: 02.10.2019

(51) International Patent Classification (IPC):  C10L 1/14(2006.01) C10L 10/12(2006.01) C10M 129/16(2006.01) C10L 1/16(2006.01) C10L 1/232(2006.01) C10L 10/10(2006.01) C10M 127/04(2006.01) C10M 133/38(2006.01) C10L 1/185(2006.01) C10L 1/233(2006.01) (86) International application number: PCT/IB2019/058397 (87) International publication number: WO 2020/070672 (09.04.2020 Gazette 2020/15)

(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: KH MA MD TN (30) Priority: 04.10.2018 US 201862741229 P (71) Applicants: Chevron Oronite Company LLC San Ramon, California 94583-0806 (US) Chevron U.S.A. Inc. San Ramon, California 94583-0806 (US)

(72) Inventors: CHERPECK, Richard Eugene San Ramon, California 94583-0806 (US) ELLIOTT, Ian G. San Ramon, California 94583-0806 (US) GUNAWAN, Theresa Liang San Ramon, California 94583-0806 (US) MARIA, Amir Gamal San Ramon, California 94583-0806 (US) (74) Representative: Haseltine Lake Kempner LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)