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. 09, 2008
Filed:
Dec. 12, 2001
Applicant:
André Feugier, Chatuzange le Goubet, FR;
Inventor:
André Feugier, Chatuzange le Goubet, FR;
Assignee:
Societe Franco-Belge de Fabrication de Combustible - FBFC, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 41/00 (2006.01); B01D 46/04 (2006.01); B01J 19/00 (2006.01); C01G 43/01 (2006.01); C01G 43/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of declogging at least one filter of a plant for manufacturing uranium oxide from uranium hexafluoride, including separating, from the wall of the filter, uranium oxyfluoride particles deposited, by a stream of inert gas such as nitrogen, injected into the filter, in a counter-currentwise direction to the flow of hydrofluoric acid.