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(11)

EP 4 798 367 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24802418.4 (22) Date of filing: 24.10.2024

(51) International Patent Classification (IPC):  B01J 21/06(2006.01) B01J 37/00(2006.01) B01J 35/63(2024.01) (52) Cooperative Patent Classification (CPC): B01J 21/066; B01J 37/0018; B01J 35/633 (86) International application number: PCT/US2024/052854 (87) International publication number: WO 2025/090794 (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 202363593752 P 06.12.2023 GB 202318630 (71) Applicants: Johnson Matthey Davy Technologies Limited London EC2V 7AD (GB) Virent, Inc. Madison WI 53704 (US)

(72) Inventors: BLANK, Brian Madison, Wisconsin 53704 (US) DOTZEL, Ralf 96257 Redwitz and der Rodach (DE) HATCH, Dana Madison, Wisconsin 53704 (US) HUGHES, Philip John Billingham TS23 1LB (GB) LANGBEIN, Martin Max 96257 Redwitz and der Rodach (DE) MCGUIRE, Paul Andrew Billingham TS23 1LB (GB) SCHEDEL, Hubert 96257 Redwitz and der Rodach (DE) SMALL, Stuart Michael Billingham TS23 1LB (GB) STEENWINKEL, Edgar Madison, Wisconsin 53704 (US) THOMA, Charalambos Billingham TS23 1LB (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)