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(11)

EP 4 504 392 A1

(12)

(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 23718629.1 (22) Date of filing: 04.04.2023

(51) International Patent Classification (IPC):  B01J 3/00(2006.01) C23C 16/44(2006.01) C23C 14/52(2006.01) (52) Cooperative Patent Classification (CPC): B01J 3/004; C23C 14/52; C23C 16/4408; C23C 14/564 (86) International application number: PCT/EP2023/058828 (87) International publication number: WO 2023/194371 (12.10.2023 Gazette 2023/41)

(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: 05.04.2022 SE 2250434 (71) Applicant: Teksic AB 583 30 Linköping (SE)	(72) Inventors: KORDINA, Olof 583 30 Linköping (SE) LÄPPLE, Karl-David 583 30 Linköping (SE) (74) Representative: Ström & Gulliksson AB  Box 5275 102 46 Stockholm 102 46 Stockholm (SE)