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EP 4 214 297 A1

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(43) Date of publication: 26.07.2023 Bulletin 2023/30 (21) Application number: 21773883.0 (22) Date of filing: 15.09.2021

(51) International Patent Classification (IPC):  C10L 1/222(2006.01) C10L 10/02(2006.01) C07C 217/50(2006.01) C10L 1/224(2006.01) C10L 1/2383(2006.01) C10L 10/06(2006.01) C10L 10/04(2006.01) C10L 1/223(2006.01) C10L 1/23(2006.01) C10L 1/2387(2006.01) (52) Cooperative Patent Classification (CPC): C10L 1/2222; C10L 1/2387; C10L 1/224; C10L 1/2383; C10L 1/223; C10L 1/231; C10L 2200/0423; C10L 2270/023; C10L 10/02; C10L 10/04 (86) International application number: PCT/IB2021/058387 (87) International publication number: WO 2022/058894 (24.03.2022 Gazette 2022/12)

(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: 17.09.2020 US 202063079609 P (71) Applicants: Chevron Oronite Company LLC San Ramon, CA 94583 (US) Chevron U.S.A. Inc. San Ramon, California 94583-0806 (US)

(72) Inventors: NG, Man Kit San Ramon, California 94583 (US) CHERPECK, Richard Eugene San Ramon, California 94583 (US) CHAN, Carrie Y. San Ramon, California 94583 (US) MENDENHALL, Kris San Ramon, California 94583 (US) ICKES, Andrew M. San Ramon, California 94583 (US) FUENTES-AFFLICK, Peter A. San Ramon, California 94583 (US) WANG, Justin San Ramon, California 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)