Patents by Inventor Dianne K. Kester

Dianne K. Kester 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).

  • Separation of strontium from fecal matter
    Patent number: 5378631
    Abstract: A method of separating strontium from a sample of biomass potentially contaminated with various radionuclides. After the sample is reduced, dissociated, and carried on a first precipitate of actinides, the first precipitate is removed to leave a supernate. Next, oxalic acid is added to the supernate to cause a second precipitate of strontium and calcium. Then, after separating the second precipitate, nitric acid is added to the second precipitate to cause a third precipitate of strontium. The calcium remains in solution and is discarded to leave essentially the precipitate of strontium.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: January 3, 1995
    Assignee: United States Department of Energy
    Inventor: Dianne K. Kester