Patents by Inventor Dale D. Ensor

Dale D. Ensor 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).

  • Separations of actinides, lanthanides and other metals
    Patent number: 5409678
    Abstract: An organic extracting solution comprised of a bis(acylpyrazolone or a substituted bis(acylpyrazolone) and an extraction method useful for separating certain elements of the actinide series of the periodic table having a valence of four from one other, and also from one or more of the substances in a group consisting of hexavalent actinides, trivalent actinides, trivalent lanthanides, trivalent iron, trivalent aluminum, divalent metals, and monovalent metals and also from one or more of the substances in a group consisting of hexavalent actinides, trivalent actinides, trivalent lanthanides, trivalent iron, trivalent aluminum, divalent metals, and monovalent metals and also useful for separating hexavalent actinides from one or more of the substances in a group consisting of trivalent actinides, trivalent lanthanides, trivalent iron, trivalent aluminum, divalent metals, and monovalent metals.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: April 25, 1995
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: Barbara F. Smith, Gordon D. Jarvinen, Dale D. Ensor