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:
Mar. 26, 2019
Filed:
Mar. 25, 2014
Applicant:
Atomic Energy of Canada Limited, Chalk River, CA;
Inventors:
Nicolas Guerin, Chalk River, CA;
Xiongxin Dai, Chalk River, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21G 4/04 (2006.01); C01B 17/20 (2006.01); C01G 3/00 (2006.01); C01G 99/00 (2010.01); G21G 1/00 (2006.01);
U.S. Cl.
CPC ...
G21G 4/04 (2013.01); C01B 17/20 (2013.01); C01G 3/00 (2013.01); C01G 99/00 (2013.01); C01P 2006/80 (2013.01); G21G 2001/0094 (2013.01);
Abstract
A method for preparing alpha sources of polonium. A sample of polonium is provided in a solution. A controlled amount of sulfide and a controlled amount of a metal capable of forming an insoluble sulfide salt in the solution are introduced into the solution, in order to co-precipitate polonium from the solution. The precipitates are filtered out.