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EP 4 522 711 A1

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(43) Date of publication: 19.03.2025 Bulletin 2025/12 (21) Application number: 23728943.4 (22) Date of filing: 08.05.2023

(51) International Patent Classification (IPC):  C10M 133/54(2006.01) C10N 30/10(2006.01) C10N 40/25(2006.01) C10N 30/04(2006.01) C10N 30/00(2006.01) (52) Cooperative Patent Classification (CPC): C10M 2215/28; C10M 133/54; C10M 2203/1025; C10M 2215/042; C10M 2215/06; C10M 2215/062; C10M 2215/26; C10N 2030/04; C10N 2030/10; C10N 2030/52; C10N 2040/25 (86) International application number: PCT/US2023/021408 (87) International publication number: WO 2023/219973 (16.11.2023 Gazette 2023/46)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 09.05.2022 US 202263339569 P (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)

(72) Inventors: SHAH, Priyank San Ramon, California 94583-0806 (US) HOSSEINI, Seyedeh Mahboobeh San Ramon, California 94583-0806 (US) VAN LEEUWEN, Jeroen San Ramon, California 94583-0806 (US) HARTGERS, Walter Alexander San Ramon, California 94583-0806 (US) HOGENDOORN, Richard San Ramon, California 94583-0806 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)