Patents by Inventor David E. Helling

David E. Helling 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).

  • Patent number: 5314678
    Abstract: The present invention relates to radiopharmaceutical products used in the treatment of thyroid diseases. In particular, the present invention relates to sodium iodide .sup.131 I capsules which have increased stability and lower volatility.The objects of the present invention are achieved by providing a .sup.131 I capsule having a matrix material and antioxidant additive combination which provides for increased stability and reduced volatility of the capsule.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: May 24, 1994
    Assignee: Mallinckrodt Medical, Inc.
    Inventors: Glenn D. Grummon, David E. Helling