Patents by Inventor Emmet W. Eldred

Emmet W. Eldred 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).

  • Extraction-free cortisol assay
    Patent number: 4128629
    Abstract: Immobilization of active anti-cortisol antibodies onto negatively charged solid phase surfaces results in a shift of the antibody pH optimum to an acidic range thereby permitting effective yet minimal use of deblocking agents and an extraction-free immunoassay for cortisol.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: December 5, 1978
    Assignee: Corning Glass Works
    Inventors: Emmet W. Eldred, Hubert J. P. Schoemaker