(19)

(11)

EP 4 824 316 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24903032.1 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C23C 16/455(2006.01) C23C 16/458(2006.01) (52) Cooperative Patent Classification (CPC): C23C 16/45546; C23C 16/45536; C23C 16/45544; C23C 16/45542; C23C 16/4583 (86) International application number: PCT/FI2024/050687 (87) International publication number: WO 2025/125727 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 FI 20236377 (71) Applicant: Beneq Oy 02200 Espoo (FI)	(72) Inventor: ANDERSSON, Jonas 02200 Espoo (FI) (74) Representative: Primrose Oy  Kasarmikatu 21 B 00130 Helsinki 00130 Helsinki (FI)