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(11)

EP 4 823 517 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24824442.8 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  A61K 6/17(2020.01) A61K 6/60(2020.01) C08L 1/04(2006.01) A61K 6/30(2020.01) A61K 6/76(2020.01) (52) Cooperative Patent Classification (CPC): A61K 6/30; A61K 6/17; A61K 6/76; A61K 6/60; C08L 1/04 (86) International application number: PCT/FI2024/050675 (87) International publication number: WO 2025/125721 (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: 13.12.2023 EP 23397508 (71) Applicant: Stick Tech OY 20521 Turku (FI)	(72) Inventors: PELTOLA, Timo 20740 Turku (FI) SÄILYNOJA, Eija 20660 Littoinen (FI) VALLITTU, Pekka 21620 Kuusisto (FI) LASSILA, Lippo 21630 Lielax (FI) GAROUSHI, Sufyan 20660 Littoinen (FI) (74) Representative: Laine IP Oy  Porkkalankatu 24 00180 Helsinki 00180 Helsinki (FI)