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, 1980
Filed:
Oct. 10, 1978
Applicant:
Inventors:
Paul R Graham, Edmond, OK (US);
Olen L Riggs, Jr, Bethany, OK (US);
Assignee:
Kerr-McGee Corporation, Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ;
U.S. Cl.
CPC ...
204-15 ; 2041 / ; 2041 / ; 204257 ;
Abstract
A process and apparatus for oxidizing vanadium and uranium in wet process phosphoric acid to a higher valence state for extraction by subsequent contact with complex organic extractants. The wet process phosphoric acid is oxidized in an electrolytic cell operated at a controlled potential via use of a reference electrode. The cell comprises a tank having at least one high surface area anode and at least one high surface area cathode separated by an ion exchange membrane.