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(11)

EP 4 168 058 A1

(12)

(43) Date of publication: 26.04.2023 Bulletin 2023/17 (21) Application number: 21731531.6 (22) Date of filing: 16.06.2021

(51) International Patent Classification (IPC):  A61L 27/20(2006.01) A61L 27/38(2006.01) B33Y 70/00(2020.01) A61L 27/26(2006.01) A61L 27/52(2006.01) B33Y 80/00(2015.01) (52) Cooperative Patent Classification (CPC): A61L 27/3817; A61L 27/3852; A61L 27/3895; A61L 27/20; A61L 27/26; A61L 27/52; B33Y 70/00; B33Y 80/00   C-Sets: A61L 27/20, C08L 5/00; A61L 27/20, C08L 5/04; A61L 27/26, C08L 5/00; A61L 27/26, C08L 5/04; (86) International application number: PCT/EP2021/066301 (87) International publication number: WO 2021/255123 (23.12.2021 Gazette 2021/51)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 17.06.2020 EP 20180620 (71) Applicant: Auregen BioTherapeutics SA 1202 Genève (CH)	(72) Inventors: KESTI, Matti Jaakko Johannes 8057 Zürich (CH) COOPER, Katharina Simone Ulrike 72379 Hechingen (DE) (74) Representative: Weickmann & Weickmann PartmbB  Postfach 860 820 81635 München 81635 München (DE)