Patents by Inventor Andre Bathelier

Andre Bathelier 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 the separation of iron from an organic solution containing uranium
    Patent number: 5017344
    Abstract: A process for separating iron +3 from uranium +6 is an organic solution of a neutral phosphine oxide and an acid organophosphorus compound. The uranium-containing organic solution is contacted with aqueous oxalic acid or an aqueous mixture of phosphoric acid and sulfuric acid so that most of the uranium remains in the organic solution and most of the iron passes into the aqueous acid.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: May 21, 1991
    Assignee: Compagnie Generale des Matieres Nucleaires (Cogema)
    Inventors: Andre Textoris, Georges Lyaudet, Andre Bathelier