Conversion of uranium hexafluoride to oxides of uranium
Patent 4397824 Issued on August 9, 1983. Estimated Expiration Date: 
December 3, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 3, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3698697 3845193 Production of sized particles of uranium oxides and uranium oxyfluorides Patent #: 3978194 InventorsAssigneeApplicationNo. 06/212640 filed on 12/03/1980US Classes:423/260, Oxygen containing423/253, Uranium compound423/261DioxideExaminersPrimary: Carter, Herbert T.Attorney, Agent or FirmInternational ClassesC01G 43/01 (20060101)C01G 43/025 (20060101) C01G 43/00 (20060101) Foreign Application Priority Data1979-12-10 GBAbstractIn a process for the conversion of uranium hexafluoride to an uranium oxide by injecting uranium hexafluoride and dry steam into a first region of a vessel so as to form a plume of particles of uranyl fluoride and reacting the uranyl fluoride in a second region of the vessel with a countercurrent flow of steam and/or hydrogen the operation of the process is such that a major proportion of the uranyl fluoride is caused to circulate within the first region so that the original uranyl fluoride particles are able to grow and agglomerate in a dendritic manner. |
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