Patents by Inventor Jeff G. Perrine

Jeff G. Perrine 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 separating hafnium from zirconium
    Patent number: 6737030
    Abstract: A method is provided to optimize separation of zirconium from hafnium by extraction of a feed mix including (Zr+Hf)OCl2 with a thiocyanate-containing organic phase. The method includes maintaining the TA/MO2 ratio in a range from greater than about 2.55 to about 3.5.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: May 18, 2004
    Assignee: ATI Properties, Inc.
    Inventors: James A. Sommers, Jeff G. Perrine
  • Method for separating hafnium from zirconium
    Publication number: 20030143138
    Abstract: A method is provided to optimize separation of zirconium from hafnium by extraction of a feed mix including (Zr+Hf)OCl2 with a thiocyanate-containing organic phase. The method includes maintaining the TA/MO2 ratio in a range from greater than about 2.55 to about 3.5.
    Type: Application
    Filed: January 29, 2002
    Publication date: July 31, 2003
    Inventors: James A. Sommers, Jeff G. Perrine