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EP 4 544 011 A1

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(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23742516.0 (22) Date of filing: 21.06.2023

(51) International Patent Classification (IPC):  C10M 135/36(2006.01) C10N 10/08(2006.01) C10N 10/12(2006.01) C10N 40/02(2006.01) C10N 60/14(2006.01) C10N 30/04(2006.01) C10N 40/25(2006.01) C10N 10/04(2006.01) C10N 10/10(2006.01) C10N 30/00(2006.01) C10N 40/04(2006.01) C10N 10/02(2006.01) C10N 30/10(2006.01) (52) Cooperative Patent Classification (CPC): C10N 2040/25; C10M 2219/106; C10M 135/36; C10M 2215/28; C10M 2209/108; C10M 2207/262; C10M 2219/046; C10N 2010/04; C10M 2223/045; C10M 2219/022; C10N 2030/10; C10N 2030/43; C10N 2030/40; C10N 2010/02; C10M 2207/028; C10N 2010/12; C10N 2030/45; C10N 2030/04   C-Sets: C10M 2215/28, C10N 2060/14; (86) International application number: PCT/US2023/025851 (87) International publication number: WO 2024/006125 (04.01.2024 Gazette 2024/01)

(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: 27.06.2022 US 202263367059 P (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092-2298 (US)

(72) Inventors: BARTON, William R.S. Belper Derbyshire DE56 1QN (GB) MYERSON, Richard J. Belper Derbyshire DE56 1QN (GB) CAPITOSTI, Scott Wickliffe, Ohio 44092-2298 (US) SACCOMANDO, Daniel J. Belper Derbyshire DE56 1QN (GB) RODGERS, Zachery L. Wickliffe, Ohio 44092-2298 (US) ROBIN, Mathew Philip Belper Derbyshire DE56 1QN (GB) MCGUINESS, Mark J. Wickliffe Derbyshire DE56 1QN (GB) (74) Representative: D Young & Co LLP  3 Noble Street London EC2V 7BQ London EC2V 7BQ (GB)