The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
Jul. 20, 2022
Nihon Medi-physics Co., Ltd., Tokyo, JP;
National Institutes for Quantum Science and Technology, Chiba, JP;
Yoshio Honda, Tokyo, JP;
Taku Ito, Tokyo, JP;
Jun Ichinose, Tokyo, JP;
Hiroaki Ichikawa, Tokyo, JP;
Tomoyuki Imai, Tokyo, JP;
Kotaro Nagatsu, Chiba, JP;
Hisashi Suzuki, Chiba, JP;
NIHON MEDI-PHYSICS CO., LTD., Tokyo, JP;
NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECHNOLOGY, Chiba, JP;
Abstract
A method for producing anAc solution includes a step (I) of irradiating aRa target with particles to generate two or more actinium radioisotopes (Ac) including at leastAc, a step (II) of dissolving theRa target after the aforementioned step to obtain a solution (1), a step (III) of separatingRa and Ac contained in the solution (1) to obtain a solution (2), a step (IV) of allowing Ac contained in the solution (2) other thanAc to decay to obtain a solution (3), and a step (V) of separating Ra and Ac contained in the solution (3) to obtain a solution (4). The solution (4) is used to produce a medicine that contains, as an active ingredient, a conjugate between a chelating agent that has formed a complex withAc, and a targeting agent.