Patents by Inventor Michel Pirsoul

Michel Pirsoul 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).

  • Process for obtaining UO.sub.2 fuel pellets from metallic U without producing any effluent
    Patent number: 5091120
    Abstract: Process for obtaining nuclear fuel pellets, which produces no liquid effluent, for which the starting product is metallic uranium, which is oxidized to U.sub.3 O .sub.8, then crushed and either reduced to UO.sub.2 and activated (or vice versa) with the aid of at least one fine milling operation, or reduced to UO.sub.2 and activated using at least one oxidation-reduction cycle, the UO.sub.2 obtained then being shaped by pressing and fritting and the intermediate powders obtained are dense and pourable, no intermediate conditioning operation being required.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: February 25, 1992
    Assignee: Uranium Pechiney
    Inventors: Andre Feugier, Michel Pirsoul