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:
Nov. 17, 1992
Filed:
Jul. 03, 1990
Applicant:
Inventors:
Yves Bertaud, Voiron, FR;
Jean Boutin, Argenteuil, FR;
Pierre Brun, Grenoble, FR;
Roger Durand, Le Vesinet, FR;
Antoine Floreancig, La Murette, FR;
Airy-Pierre Lamaze, Grenoble, FR;
Roland Tricot, Chambourcy, FR;
Assignee:
Compagnie Europeenne du Zirconium Cezus, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ;
U.S. Cl.
CPC ...
204-15 ; 423-3 ; 423 19 ; 423253 ; 423257 ;
Abstract
A method of obtaining uranium metal from an oxidized uranium compound, characterized in that the oxidized compound is treated with chlorine and carbon at a first stage, to obtain a chloride which is reduced by electrolysis or metallothermy using a reducing metal at a second stage.