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. 21, 1992
Filed:
Jan. 22, 1990
Applicant:
Inventors:
Claude Musikas, Bures/Yvette, FR;
Philippe Zorz, Bagnols/Ceze, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ;
U.S. Cl.
CPC ...
423-9 ; 252631 ; 252626 ;
Abstract
The invention relates to a process for the extraction of uranium (VI) and/or plutonium (IV) present in an acid aqueous solution by means of a mixture of N,N-dialkyl amides usable for the reprocessing of irradiated nuclear fuels. In (50 or 52) contacting takes place between an aqueous solution containing U(VI) and Pu(IV) and an organic solvent incorporating a mixture of two N,N-dialkyl amides, e.g. of formulas: ##STR1## and then by separating (in 50 or 52) the organic solvent containing either U(VI) and Pu(IV), or U(VI).