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EP 4 569 051 A1

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(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23768681.1 (22) Date of filing: 10.08.2023

(51) International Patent Classification (IPC):  C10G 49/00(2006.01) C10G 49/26(2006.01) C10G 75/02(2006.01) C10G 49/06(2006.01) C10G 75/00(2006.01) C10L 3/10(2006.01) (52) Cooperative Patent Classification (CPC): C10G 49/00; C10G 75/00; C10G 49/26; C10G 49/06; C10G 2300/4012; C10G 75/02; C10G 49/005; C10L 3/003; C10L 2200/0277; C10L 2230/08 (86) International application number: PCT/US2023/029977 (87) International publication number: WO 2024/035875 (15.02.2024 Gazette 2024/07)

(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: 12.08.2022 US 202263371274 P (71) Applicant: ChampionX LLC Sugar Land, TX 77478 (US)

(72) Inventors: CLARK, Jeffery Caleb Damon, TX 77430 (US) FERRER CARRERA, Ana Missouri City, TX 77459 (US) RANA, Geeta Sugar Land, TX 77479 (US) DE-ABREU, Yolanda Maria Richmond, TX 77407 (US) TREVINO, Matthew Aaron Houston, TX 77099 (US) BARTELS, Jeremy Wayne Sugar Land, TX 77479 (US) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)