(19)

(11)

EP 4 739 647 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24740126.8 (22) Date of filing: 04.07.2024

(51) International Patent Classification (IPC):  C07C 29/153(2006.01) C07C 29/157(2006.01) B01J 31/18(2006.01) C07C 31/04(2006.01) B01J 31/20(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/157; C07C 29/153; B01J 31/20; B01J 31/1805; B01J 31/1815   C-Sets: C07C 29/157, C07C 31/04; C07C 29/153, C07C 31/04; (86) International application number: PCT/EP2024/068953 (87) International publication number: WO 2025/008493 (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 EP 23183635 (71) Applicant: C1 Green Chemicals AG 12489 Berlin (DE)	(72) Inventors: CHECINSKI, Marek Pawel 12487 Berlin (DE) CLAUSS, Reike 12527 Berlin (DE) AKASH, Kaithal 12524 Berlin (DE) SUNTRUP, Lisa 10559 Berlin (DE) (74) Representative: Keil & Schaafhausen Patentanwälte PartGmbB  Bockenheimer Landstraße 25 60325 Frankfurt am Main 60325 Frankfurt am Main (DE)