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:
Oct. 24, 2023
Filed:
Dec. 07, 2018
Applicant:
Osaka University, Suita, JP;
Inventors:
Atsushi Shinohara, Suita, JP;
Atsushi Toyoshima, Suita, JP;
Takashi Yoshimura, Suita, JP;
Akimitsu Kanda, Suita, JP;
Assignee:
OSAKA UNIVERSITY, Suita, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 7/00 (2006.01); G21G 1/00 (2006.01);
U.S. Cl.
CPC ...
C01B 7/00 (2013.01); G21G 1/001 (2013.01); C01B 2210/0009 (2013.01); G21G 2001/0094 (2013.01);
Abstract
Provided is a method capable of separating and purifying astatine-211 in a high yield and dissolving same in a solution. A method for producing astatine-211, including a step of irradiating α ray to bismuth to produce astatine-211 in the bismuth, and a step of distilling the bismuth that received α ray irradiation with a carrier gas containing an inert gas, Oand HO to separate and purify astatine-211, and dissolving the astatine-211 in a solution.