(19)

(11)

EP 4 577 678 A2

(12)

(88) Date of publication A3: 25.04.2024 (43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23764831.6 (22) Date of filing: 25.08.2023

(51) International Patent Classification (IPC):  C22B 3/18(2006.01) C12P 3/00(2006.01) C12N 1/14(2006.01) (52) Cooperative Patent Classification (CPC): C22B 3/18; C12N 1/14; C12P 3/00; C12R 2001/785 (86) International application number: PCT/EP2023/073438 (87) International publication number: WO 2024/042238 (29.02.2024 Gazette 2024/09)

(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: KH MA MD TN (30) Priority: 26.08.2022 US 202263401390 P (71) Applicant: Belenos Clean Power Holding AG 2502 Bienne (CH)	(72) Inventors: ZHIOUA, Sami 2016 Cortaillod (CH) BINDSCHEDLER, Saskia 2000 Neuchâtel (CH) HILARIO, Felipe 4051 Bâle (CH) PANGARIBUAN, Katrin 4052 Basel (CH) (74) Representative: ICB SA  Faubourg de l'Hôpital, 3 2001 Neuchâtel 2001 Neuchâtel (CH)