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EP 4 025 674 A1

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(43) Date of publication: 13.07.2022 Bulletin 2022/28 (21) Application number: 20768707.0 (22) Date of filing: 03.09.2020

(51) International Patent Classification (IPC):  C10M 141/08(2006.01) (52) Cooperative Patent Classification (CPC): C10M 2207/262; C10N 2030/52; C10N 2020/071; C10M 2219/02; C10M 2219/022; C10M 2219/024; C10M 2219/106; C10M 2223/047; C10N 2030/10; C10M 141/08; C10N 2040/25 (86) International application number: PCT/IB2020/058193 (87) International publication number: WO 2021/044326 (11.03.2021 Gazette 2021/10)

(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: 05.09.2019 US 201962896373 P (71) Applicants: Chevron Oronite Company LLC San Ramon, CA 94583 (US) Chevron Japan Ltd. Tokyo 105-6218 (JP)

(72) Inventors: CHOMMELOUX, Claire San Ramon, California 94583 (US) MILLER, John Robert San Ramon, California 94583 (US) SKELTON, Shelby A. San Ramon, California 94583 (US) SZTENDEROWICZ, Mark San Ramon, California 94583 (US) BOFFA, Alexander San Ramon, California 94583 (US) TANAKA, Isao San Ramon, California 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)