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EP 4 433 628 A1

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(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 24702063.9 (22) Date of filing: 22.01.2024

(51) International Patent Classification (IPC):  C25B 1/27(2021.01) C25B 9/67(2021.01) C25B 15/021(2021.01) C25B 15/08(2006.01) C25B 9/19(2021.01) C25B 15/02(2021.01) C25B 15/027(2021.01) (52) Cooperative Patent Classification (CPC): C25B 1/02; C25B 1/27; C25B 9/19; C25B 9/67; C25B 15/08; C25B 15/021; C25B 15/027; C25B 15/02 (86) International application number: PCT/EP2024/051392 (87) International publication number: WO 2024/160570 (08.08.2024 Gazette 2024/32)

(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: 03.02.2023 SE 2350105 (71) Applicant: Superstate AB 117 64 Stockholm (SE)	(72) Inventors: BOLIN, Göran 117 64 Stockholm (SE) OLSSSON, Ray AX 22240 Hammarland Åland (FI) (74) Representative: Ström & Gulliksson AB  Box 5275 102 46 Stockholm 102 46 Stockholm (SE)