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EP 4 739 645 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24738235.1 (22) Date of filing: 28.06.2024

(51) International Patent Classification (IPC):  C07C 11/02(2006.01) C07C 11/06(2006.01) C07C 31/04(2006.01) C07C 11/04(2006.01) C07C 11/08(2006.01) C07C 1/20(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/1518; C07C 1/20; C07C 2529/70; C07C 2/06; C07C 11/02; C07C 11/08; C07C 11/06; C07C 11/04; C07C 31/04; C10G 3/49; C10G 2400/22; C10G 2300/1011; C10G 2400/08; C25B 1/04; C25B 1/23; C25B 15/081; C12P 7/08; C01B 3/34; C01B 2203/0233; C01B 2203/062; C01B 2203/085; C01B 2203/0244; Y02P 30/20   C-Sets: C07C 1/20, C07C 11/04; C07C 2/06, C07C 11/02; C07C 29/1518, C07C 31/04; C07C 1/20, C07C 11/02; C07C 1/20, C07C 11/08; C07C 1/20, C07C 11/06; (86) International application number: PCT/EP2024/068242 (87) International publication number: WO 2025/008276 (09.01.2025 Gazette 2025/02)

(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: 05.07.2023 DK PA202330116 (71) Applicant: Topsoe A/S 2800 Kgs. Lyngby (DK)	(72) Inventors: SCHJØDT, Niels Christian 2800 Kgs. Lyngby (DK) PEDERSEN, Henrik Guldberg 2800 Kgs. Lyngby (DK) BURN, Jeremy Neil 2800 Kgs. Lyngby (DK) JOENSEN, Finn 2800 Kgs. Lyngby (DK) TAARNING, Esben 2800 Kgs. Lyngby (DK) BROGAARD, Rasmus Yding 2800 Kgs. Lyngby (DK) (74) Representative: Topsoe A/S  Haldor Topsøes Allé 1 2800 Kgs. Lyngby 2800 Kgs. Lyngby (DK)