Patents by Inventor Marvin Mitchell

Marvin Mitchell 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).

  • RIA reagents and processes
    Patent number: 4157895
    Abstract: This application relates to thyroxine (T.sub.4) immunoassay procedures and, in particular, to the preparation of a novel filter-paper test substrate and a novel standard reagent used in preparation of the test substrate. The standard reagent used in preparation of the test substrate is prepared from commercially available materials and does not require the use of a human serum component.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: June 12, 1979
    Assignee: Nuclear International Corporation
    Inventors: Carole A. Finlay, Marvin Mitchell