Patents by Inventor Ella M. Bettinger

Ella M. Bettinger 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 determining thyroid function and reagent composition therefor
    Patent number: 4014651
    Abstract: A complete and self-contained in vitro diagnostic reagent composition for use in determining thyroid function comprises a buffered aqueous suspension of finely divided, amorphous silicon dioxide, having combined therewith a nonionic surfactant and a thyroid hormone substance tagged or labeled with radioisotopic iodine.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: March 29, 1977
    Assignee: Mallinckrodt, Inc.
    Inventors: Ella M. Bettinger, Everett K. Mincey