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:
Oct. 25, 1977
Filed:
Jul. 03, 1975
Applicant:
Inventors:
Pierre Faugeras, Versailles, FR;
Pierre Lecoq, La Queue-en-Brie, FR;
Pierre Miquel, Chatillon, FR;
Hubert Rouyer, Antony, FR;
Guy Simonet, Paris, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423262 ; 62 22 ; 176 37 ; 2523 / ; 423210 ; 423219 ; 423235 ; 423245 ;
Abstract
The method of treatment of a mixture of air and at least partially radioactive gases such as xenon and krypton in particular, especially gaseous effluents derived from the reprocessing of irradiated nuclear fuels, comprises a stage of concentration of the rare gases in solution in liquid oxygen by cryogenic distillation of the light gases and especially nitrogen from the liquefied mixture.