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EP 4 680 702 A1

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(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24718954.1 (22) Date of filing: 12.03.2024

(51) International Patent Classification (IPC):  C10M 137/10(2006.01) C10N 30/00(2006.01) C10N 10/04(2006.01) C10N 40/25(2006.01) (52) Cooperative Patent Classification (CPC): C10N 2040/252; C10N 2030/38; C10M 137/10; C10M 2223/045; C10M 2223/047; C10M 137/105; C10N 2010/04   C-Sets: C10M 2223/045, C10N 2010/04; (86) International application number: PCT/US2024/019558 (87) International publication number: WO 2024/192015 (19.09.2024 Gazette 2024/38)

(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: GE KH MA MD TN (30) Priority: 13.03.2023 US 202363451749 P (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)

(72) Inventors: LEE, David S. San Ramon, California 94583-0806 (US) MOURHATCH, Ramoun San Ramon, California 94583-0806 (US) MCLAUGHLIN, Michael San Ramon, California 94583-0806 (US) BOHAN, Patrick San Ramon, California 94583-0806 (US) HATTORI, Taiki San Ramon, California 94583-0806 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)