Patents by Inventor Pascal Bros

Pascal Bros 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 dissolving plutonium or a plutonium alloy and converting it into nuclear fuel
    Patent number: 6623712
    Abstract: The present invention relates to a process to dissolve plutonium or a plutonium alloy, by placing it in contact with an aqueous dissolution mixture, wherein said dissolution mixture comprises nitric acid, a carboxylic acid with complexing properties with respect to plutonium, and a compound comprising at least one —NH2 radical such as urea. The invention also relates to a process to convert plutonium or a plutonium alloy into plutonium oxide and to manufacture nuclear fuel from said oxide. The invention particularly applies to the dismantling of plutonium contained in nuclear weapons with a view to its use in civilian nuclear reactors, particularly in the form of MOX fuel.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: September 23, 2003
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Jean-Marc Adnet, Jacques Bourges, Pascal Bros, Philippe Brossard