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EP 4 469 542 A1

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(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 23702696.8 (22) Date of filing: 25.01.2023

(51) International Patent Classification (IPC):  C10M 169/04(2006.01) C10N 40/04(2006.01) C10N 20/02(2006.01) C10N 60/14(2006.01) C10N 30/00(2006.01) C10N 30/06(2006.01) (52) Cooperative Patent Classification (CPC): C10M 169/04; C10M 2201/085; C10M 2203/1025; C10N 2020/02; C10M 2223/04; C10M 2223/043; C10M 2223/047; C10M 2223/049; C10M 2215/24; C10M 2215/28; C10M 2215/042; C10M 2215/08; C10M 2207/022; C10M 2207/021; C10M 2207/281; C10N 2040/042; C10N 2040/045; C10N 2030/06; C10N 2030/76; C10N 2030/52; C10N 2060/14 (86) International application number: PCT/IB2023/050632 (87) International publication number: WO 2023/144721 (03.08.2023 Gazette 2023/31)

(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: 25.01.2022 US 202263302687 P (71) Applicants: Chevron Japan Ltd. Tokyo 105-6218 (JP) Chevron Oronite Company LLC San Ramon, CA 94583 (US)

(72) Inventors: FUCHI, Masami Tokyo, 105-6218 (JP) SASAKI, Naoya Tokyo, 105-6218 (JP) NAKAGAWA, Takahiro Tokyo, 105-6218 (JP) OHTA, Satoshi Tokyo, 105-6218 (JP) CHANG, Young A. San Ramon, California 94583 (US) KUBO, Koichi Tokyo, 105-6218 (JP) RUHE JR, William Raymond San Ramon, California 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)