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EP 3 921 395 A1

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(43) Date of publication: 15.12.2021 Bulletin 2021/50 (21) Application number: 20706017.9 (22) Date of filing: 05.02.2020

(51) International Patent Classification (IPC):  C10M 125/08(2006.01) C10M 139/04(2006.01) C10M 155/02(2006.01) C10M 125/26(2006.01) C10M 139/06(2006.01) (52) Cooperative Patent Classification (CPC): C10M 2207/028; C10N 2010/04; C10N 2010/02; C10N 2010/12; C10M 2223/045; C10M 155/02; C10M 2207/26; C10N 2040/255; C10M 2227/09; C10M 2207/262; C10N 2030/42; C10M 2229/044; C10M 125/08; C10M 2215/064; C10M 2215/28; C10M 2203/1025; C10M 2201/061; C10M 2219/046   C-Sets: C10M 2223/045, C10N 2010/12; C10M 2215/28, C10N 2060/06, C10N 2060/14; C10M 2201/061, C10N 2010/08; (86) International application number: PCT/IB2020/050913 (87) International publication number: WO 2020/161635 (13.08.2020 Gazette 2020/33)

(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: 08.02.2019 US 201962802745 P (71) Applicants: Chevron Oronite Company LLC San Ramon, CA 94583 (US) Chevron U.S.A. Inc. San Ramon, California 94583 (US)

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