Patents by Inventor Sergei L. Tjutrjumov

Sergei L. Tjutrjumov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for the production of low enriched uranium hexafluoride from highly-enriched metallic uranium
    Patent number: 5492462
    Abstract: A method for the production of low enriched uranium hexafluoride from highly enriched metallic uranium consists of oxidizing metallic uranium highly enriched in uranium-235 at a temperature of 700.degree.-1100.degree. C. and fluorinating with elementary fluorine at temperature of 300.degree.-1500.degree. C. with a fluorine excess exceeding the stoichiometric value, then sublimating and mixing in a gas flow the resultant highly enriched uranium hexafluoride with uranium hexafluoride containing uranium-235 within a range from 0.2 to 4.9% by weight, in a ratio defined by the equation: ##EQU1## where C.sup.HEU is the content of uranium-235 in the highly enriched uranium,C.sup.LEU is the content of uranium-235 in the low enriched uranium,C is the content of uranium-235 in uranium, the hexafluoride of which is used for mixing.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: February 20, 1996
    Assignee: Uralsky Elektromekhanichesky Kombinat
    Inventors: Vitaly F. Kornilov, Anatoly P. Knutarev, Gennady S. Soloviev, Vadim V. Raev, Vyacheslav V. Klimovskikh, Sergei L. Tjutrjumov