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(11)

EP 4 486 854 A1

(12)

(43) Date of publication: 08.01.2025 Bulletin 2025/02 (21) Application number: 23712592.7 (22) Date of filing: 21.02.2023

(51) International Patent Classification (IPC):  C10M 163/00(2006.01) C10N 10/12(2006.01) C10N 30/00(2006.01) C10N 10/04(2006.01) C10N 30/12(2006.01) C10N 40/25(2006.01) (52) Cooperative Patent Classification (CPC): C10N 2010/04; C10N 2030/40; C10N 2030/42; C10N 2030/45; C10N 2030/52; C10M 2203/1025; C10M 2207/262; C10M 2219/046; C10M 2223/045; C10N 2010/12; C10N 2030/12; C10N 2040/25; C10M 2215/28; C10M 2227/066; C10M 2215/064; C10M 2207/028; C10M 2229/02; C10M 2205/02; C10M 163/00   C-Sets: C10M 2203/1025, C10N 2020/02; C10M 2223/045, C10N 2010/04; C10M 2215/28, C10N 2060/14; (86) International application number: PCT/IB2023/051574 (87) International publication number: WO 2023/161795 (31.08.2023 Gazette 2023/35)

(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: 28.02.2022 US 202263314492 P (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)	(72) Inventors: ELLIOTT, Ian G. San Ramon, California 94583 (US) BRODWATER, Kevin C. San Ramon, California 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)