(19)

(11)

EP 4 314 394 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22720603.4 (22) Date of filing: 31.03.2022

(51) International Patent Classification (IPC):  C25C 3/10(2006.01) C25C 3/14(2006.01) (52) Cooperative Patent Classification (CPC): C25C 3/10; C25C 3/14 (86) International application number: PCT/EP2022/058735 (87) International publication number: WO 2022/207895 (06.10.2022 Gazette 2022/40)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 31.03.2021 GB 202104621 (71) Applicant: Alumatiq AS 8656 Mosjøen (NO)	(72) Inventors: BREIMO, Frode 8656 Mosjøen (NO) SPERLE, Thomas 7014 Trondheim (NO) MOFLAG, Johan 8624 Mo I Rana (NO) LYNGHEI, Jan-Hugo 8626 Mo I Rana (NO) (74) Representative: O'Hagan, Paul et al Lincoln IP 4 Rubislaw Place Aberdeen AB10 1XN Aberdeen AB10 1XN (GB)