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(11)

EP 4 824 203 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24873894.0 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  C10M 159/20(2006.01) C10M 169/04(2006.01) C10M 159/22(2006.01) (52) Cooperative Patent Classification (CPC): C10M 159/20; C10M 159/22; C10M 169/042; C10M 2203/1025; C10M 2205/06; C10M 2205/028; C10M 2207/262; C10M 2207/028; C10M 2215/28; C10M 2217/06; C10M 2223/045; C10N 2030/02; C10N 2030/04; C10N 2030/42; C10N 2030/45; C10N 2030/52; C10N 2030/76; C10N 2040/25 (86) International application number: PCT/IB2024/000676 (87) International publication number: WO 2025/125894 (19.06.2025 Gazette 2025/25)

(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: 14.12.2023 US 202363610000 P 15.11.2024 US 202418948703 (71) Applicant: Infineum International Limited Abingdon, Oxfordshire OX13 6BB (GB)

(72) Inventors: FEATHERSTONE, Thomas, M. Abingdon, Oxfordshire ENG OX13 6BD (GB) MUTTER, Ellis Abingdon, Oxfordshire ENG OX13 6BD (GB) CHIRITA, Roxana Abingdon, Oxfordshire ENG OX13 6BD (GB) MARSH, Adam, P. Abingdon, Oxfordshire ENG OX13 6BD (GB) DRIVER, Mark, P. Abingdon, Oxfordshire ENG OX13 6BD (GB) RITCHIE, Andrew, J., D. Linden, NJ 07036 (US) (74) Representative: Hart, Richard Joseph  Infineum UK Ltd. Milton Hill Business & Technology Centre Milton Hill Abingdon, Oxfordshire OX13 6BD Abingdon, Oxfordshire OX13 6BD (GB)