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:
Jun. 27, 2023
Filed:
Dec. 28, 2018
Applicant:
Osaka University, Suita, JP;
Inventors:
Yoshifumi Shirakami, Suita, JP;
Tadashi Watabe, Suita, JP;
Kazuko Kaneda, Suita, JP;
Eku Shimosegawa, Suita, JP;
Atsushi Shinohara, Suita, JP;
Jun Hatazawa, Suita, JP;
Assignee:
OSAKA UNIVERSITY, Suita, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 51/12 (2006.01); A61K 47/22 (2006.01);
U.S. Cl.
CPC ...
A61K 51/121 (2013.01); A61K 47/22 (2013.01);
Abstract
The invention provides a method for producing a solution containingAt(astatide ion) at a high radiochemical purity by usingAt obtained by a nuclear reaction as a starting material, including a step of adding a reducing agent to a solution containing an impurity derived fromAt. The invention also provides a solution containingAt(astatide ion) at a radiochemical purity of not less than 30%.