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(11)

EP 4 380 632 A1

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(43) Date of publication: 12.06.2024 Bulletin 2024/24 (21) Application number: 22854141.3 (22) Date of filing: 26.08.2022

(51) International Patent Classification (IPC):  A61K 51/10(2006.01) C07K 16/28(2006.01) A61K 39/395(2006.01) (52) Cooperative Patent Classification (CPC): C07K 16/2803; A61P 35/00; C07K 2317/90; C07K 2317/73; A61K 51/1096; A61K 51/1045 (86) International application number: PCT/US2022/075506 (87) International publication number: WO 2023/015322 (09.02.2023 Gazette 2023/06)

(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: 06.08.2021 US 202163230431 P 22.11.2021 US 202117532919 (71) Applicant: Actinium Pharmaceuticals, Inc. New York, NY 10017 (US)	(72) Inventors: CHEN, Mary, M. New York, NY 10016 (US) DESAI, Avinash New York, NY 10016 (US) LUDWIG, Dale, L. Rockaway, NJ 07866 (US) BERGER, Mark New York, NY 10024 (US) SETH, Sandesh New York, NY 10016 (US) (74) Representative: Dentons Patent Solutions Rechtsanwaltsgesellschaft mbH  Jungfernturmstraße 2 80333 München 80333 München (DE)