Patents by Inventor Patricia A. Thiel

Patricia A. Thiel 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).

  • Isotopic separation of D.sub.2 O from H.sub.2 O using ruthenium adsorbent
    Patent number: 4915929
    Abstract: A method of enrichment of D.sub.2 O in solutions of D.sub.2 O in H.sub.2 O by contacting said solutions in the steam phase with hexagonal crystalline to produce enriched D.sub.2 O. The passages may be repeated to achieve a desired amount of D.sub.2 O.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: April 10, 1990
    Assignee: Iowa State University Research Foundation, Inc.
    Inventor: Patricia A. Thiel