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:
Aug. 12, 2025
Filed:
Oct. 09, 2018
Applicant:
Framatome, Courbevoie, FR;
Inventors:
Bruno Mesona, Saint Marcel les Valence, FR;
Stéphane Hebrard, Ventabren, FR;
Assignee:
FRAMATOME, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 43/025 (2006.01); B01J 6/00 (2006.01); B01J 19/14 (2006.01); B01J 19/26 (2006.01); G21C 3/62 (2006.01); G21C 19/46 (2006.01);
U.S. Cl.
CPC ...
C01G 43/025 (2013.01); B01J 6/008 (2013.01); B01J 19/14 (2013.01); B01J 19/26 (2013.01); G21C 3/623 (2013.01); G21C 19/46 (2013.01); B01J 2219/00245 (2013.01);
Abstract
An installation for the conversion of uranium hexafluoride (UF) to uranium dioxide (UO) comprises a hydrolysis reactor () for the conversion of UFinto uranium oxyfluoride powder (UOF), a pyrohydrolysis furnace () for converting the UOFpowder supplied by the reactor () into UOpowder, a supply device () comprising reagent injection ducts () for the injection of UF, water vapor or H, and a control system () designed to control the supply device () so as to supply at least one of the reagent injection ducts () with a neutral gas during a shutdown or start-up phase of the conversion installation.