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:
Jul. 28, 1998
Filed:
Sep. 11, 1995
Applicant:
Inventors:
Lixiong Li, Austin, TX (US);
Earnest F Gloyna, Austin, TX (US);
Assignee:
Board of Regents, Univ. of Texas System, Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210761 ; 210762 ; 423186 ; 423188 ; 423189 ; 423421 ; 423422 ;
Abstract
Sodium and borate ions are separated in supercritical water by addition of dissolved CO.sub.2 to cause precipitation of carbonates and the formation of boric acid. Carbonates and boric acid are then recovered as separate products.