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EP 4 680 033 A1

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(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24718584.6 (22) Date of filing: 12.03.2024

(51) International Patent Classification (IPC):  A23C 9/20(2006.01) A61K 35/20(2006.01) A61K 9/20(2006.01) (52) Cooperative Patent Classification (CPC): A61K 35/20; A23C 9/206; A23C 9/16; A23C 9/154; A23C 9/156; A61K 9/2054; A61K 9/2077; A61K 9/1658 (86) International application number: PCT/IB2024/052390 (87) International publication number: WO 2024/189541 (19.09.2024 Gazette 2024/38)

(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: 13.03.2023 GB 202303611 (71) Applicant: University of Tartu 50090 Tartu (EE)

(72) Inventors: LAIDMÄE, Ivo 50090 Tartu (EE) HEINÄMÄKI, Jyrki 50090 Tartu (EE) ANTIKAINEN, Osmo 50090 Tartu (EE) LUST, Andres 50090 Tartu (EE) RAAL, Ain 50090 Tartu (EE) ZENOV, Grigory 50090 Tartu (EE) POIKALAINEN, Väino 50090 Tartu (EE) LEPASALU, Lembit 50090 Tartu (EE) (74) Representative: Williams, Ben  Ben Williams IP Limited St. John's House St. John's Street Chichester, West Sussex PO19 1UU Chichester, West Sussex PO19 1UU (GB)