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EP 4 798 371 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24804682.3 (22) Date of filing: 24.10.2024

(51) International Patent Classification (IPC):  B01J 29/46(2006.01) C07C 1/24(2006.01) B01J 35/63(2024.01) C10G 3/00(2006.01) (52) Cooperative Patent Classification (CPC): B01J 29/46; B01J 35/633; C10G 3/49 (86) International application number: PCT/US2024/052862 (87) International publication number: WO 2025/090799 (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: 27.10.2023 US 202363593779 P 06.12.2023 GB 202318628 (71) Applicants: Johnson Matthey Davy Technologies Limited London EC2V 7AD (GB) Virent, Inc. Madison WI 53704 (US)

(72) Inventors: JOHNSON, Leighta Madison, Wisconsin 53704 (US) STEENWINKEL, Edgar Madison, Wisconsin 53704 (US) SCHUYTEN, Stephen John Savannah, Georgia 31408-8501 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)