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EP 4 771 649 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24821614.5 (22) Date of filing: 23.10.2024

(51) International Patent Classification (IPC):  G21C 9/00(2006.01) G21C 15/25(2006.01) G21C 15/26(2006.01) G21C 1/07(2006.01) G21C 15/18(2006.01) G21C 15/253(2006.01) G21D 3/06(2006.01) (52) Cooperative Patent Classification (CPC): G21C 15/253; G21C 15/26; G21D 3/06; G21C 1/07; G21C 9/00; G21C 15/185; G21C 15/25 (86) International application number: PCT/SK2024/050012 (87) International publication number: WO 2025/106024 (22.05.2025 Gazette 2025/21)

(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: 15.11.2023 SK PP1422023 (71) Applicant: Slovenská Technická Univerzita v Bratislave 811 07 Bratislava-Staré Mesto (SK)	(72) Inventors: OLSIAK, Róbert Bratislava-Nové Mesto (SK) KNíZAT, Branislav Bratislava-Lamac (SK) MLKVIK, Marek Kvetoslavov (SK) VILÁGI, Frantisek Vel'ké Leváre (SK) VACH, Matej Bratislava-Staré Mesto (SK) (74) Representative: inventa Patentova a znamkova kancelaria s.r.o.  Palisády 50 811 06 Bratislava 811 06 Bratislava (SK)