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EP 4 572 737 A1

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(43) Date of publication: 25.06.2025 Bulletin 2025/26 (21) Application number: 23864213.6 (22) Date of filing: 14.09.2023

(51) International Patent Classification (IPC):  A61K 8/49(2006.01) A61Q 19/08(2006.01) C07D 217/26(2006.01) A61K 8/44(2006.01) C07C 229/42(2006.01) (52) Cooperative Patent Classification (CPC): A61K 8/44; A61Q 19/08; C07D 215/48 (86) International application number: PCT/CA2023/051220 (87) International publication number: WO 2024/055116 (21.03.2024 Gazette 2024/12)

(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: 14.09.2022 US 202263406455 P (71) Applicant: Birchbiomed Inc. King City, ON L7B 1E6 (CA)	(72) Inventors: MILLER, Mark S. King City, Ontario L7B 1E6 (CA) BOURNE, Jonathan W. Fairport, New York 14450 (US) (74) Representative: Flügel Preissner Schober Seidel  Patentanwälte PartG mbB Nymphenburger Straße 20 80335 München 80335 München (DE)