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EP 4 798 683 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24801039.9 (22) Date of filing: 18.10.2024

(51) International Patent Classification (IPC):  C10M 135/02(2006.01) C10M 159/22(2006.01) C10N 10/04(2006.01) C10N 30/12(2006.01) C10N 40/08(2006.01) C10N 70/00(2006.01) C10M 135/30(2006.01) C10N 10/02(2006.01) C10N 30/04(2006.01) C10N 40/04(2006.01) C10N 40/25(2006.01) (52) Cooperative Patent Classification (CPC): C10M 135/02; C10M 135/30; C10M 159/22; C10M 2219/02; C10M 2219/088; C10M 2219/089; C10N 2010/02; C10N 2010/04; C10N 2030/12; C10N 2030/04; C10N 2040/251; C10N 2040/252; C10N 2040/255; C10N 2040/25; C10N 2040/04; C10N 2040/08; C10N 2070/00; C10M 2219/087 (86) International application number: PCT/US2024/051881 (87) International publication number: WO 2025/090369 (01.05.2025 Gazette 2025/18)

(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: 25.10.2023 US 202318494466 (71) Applicant: Afton Chemical Corporation Richmond, Virginia 23219 (US)	(72) Inventors: LATIMER, Mitchell Montpelier, Virginia 23192 (US) BELL, Jason Powhatan, Virginia 23139 (US) (74) Representative: SSM Sandmair  Patentanwälte Rechtsanwalt Partnerschaft mbB Joseph-Wild-Straße 20 81829 München 81829 München (DE)