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EP 4 479 577 A1

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(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 23705999.3 (22) Date of filing: 16.02.2023

(51) International Patent Classification (IPC):  C25B 1/04(2021.01) C25B 9/77(2021.01) G01N 27/74(2006.01) G01R 15/14(2006.01) C25B 9/75(2021.01) C25B 15/025(2021.01) G01R 19/00(2006.01) (52) Cooperative Patent Classification (CPC): C25B 1/04; C25B 9/75; C25B 9/77; C25B 15/025; G01R 15/148; G01R 19/0061; Y02E 60/36 (86) International application number: PCT/EP2023/053944 (87) International publication number: WO 2023/156551 (24.08.2023 Gazette 2023/34)

(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: 17.02.2022 DK PA202200133 (71) Applicant: Green Hydrogen Systems A/S 6000 Kolding (DK)	(72) Inventors: SØRENSEN, Christian Buhl 6000 Kolding (DK) FÜCHTBAUER, Henrik Gøbel 6000 Kolding (DK) SCHULTZ-FALK, Vickie 6000 Kolding (DK) RASMUSSEN, Anders Rønne 6000 Kolding (DK) (74) Representative: Guardian IP Consulting I/S  Diplomvej, Building 381 2800 Kgs. Lyngby 2800 Kgs. Lyngby (DK)