Patents by Inventor Wayne W. Petko

Wayne W. Petko 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: 4234680
    Abstract: Addition of a low concentration of an alkali metal metabisulfite completely stops color development in a peroxidase-labeled immunoassay wherein the peroxidase catalyzed reaction comprises oxidation of an achromatic substrate to the corresponding chromatic product in the presence of a peroxide.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: November 18, 1980
    Assignee: Calbiochem-Behring Corp.
    Inventors: Richard C. Hevey, Mark K. Malmros, Wayne W. Petko