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. 30, 2014
Filed:
Jan. 20, 2011
Applicants:
Lucas Pettey, Austin, TX (US);
Richard D. Weir, Cedar Park, TX (US);
Inventors:
Lucas Pettey, Austin, TX (US);
Richard D. Weir, Cedar Park, TX (US);
Assignee:
EEStor, Inc., Cedar Park, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F 11/48 (2006.01); C01F 11/38 (2006.01);
U.S. Cl.
CPC ...
C01F 11/38 (2013.01);
Abstract
A method of preparing purified barium nitrate includes precipitating barium nitrate crystals from a solution, and washing the barium nitrate crystals with an aqueous solution including at least 10 wt % nitric acid.