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EP 4 504 992 A1

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(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 23789802.8 (22) Date of filing: 31.08.2023

(51) International Patent Classification (IPC):  C23C 14/34(2006.01) B22F 3/105(2006.01) C22C 1/04(2023.01) C04B 35/626(2006.01) H01J 37/34(2006.01) C04B 35/58(2006.01) C22C 29/14(2006.01) (52) Cooperative Patent Classification (CPC): B22F 3/105; B22F 2003/1051; B22F 2998/10; C23C 14/3414; C23C 14/3485; H01J 37/3426; C22C 1/045; C22C 29/14; C04B 35/58064; C04B 2235/666; C04B 35/62615; H01J 37/3491; H01J 37/3467; C04B 35/645; C04B 2235/6562; C04B 2235/6581; C04B 2235/6567; C04B 2235/3813; C04B 2235/94; C04B 2235/79   C-Sets: B22F 2998/10, B22F 2009/043, B22F 2003/1051; (86) International application number: PCT/PL2023/000046 (87) International publication number: WO 2024/263043 (26.12.2024 Gazette 2024/52)

(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: 17.06.2023 PL 44525523 (71) Applicant: Siec Badawcza Lukasiewicz - Poznanski Instytut Technologiczny 61-755 Poznan (PL)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Urbanska-Luczak, Barbara  Kancelaria Patentowa TAX - PAT B. Urbanska-Luczak, J.Luczak ul. Kosciuszki 103/1 61-717 Poznan 61-717 Poznan (PL)