Patents by Inventor Donald J. Duda

Donald J. Duda 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).

  • Corrosion resistant insecticial composition
    Patent number: 4668507
    Abstract: A corrosion resistant insecticidal composition for use in aerosol containers includes an organophosphorous pesticide, an emulsifier, an aerosol propellant, an aqueous carrier and as a corrosion inhibiting system, an organic corrosion inhibitor and an inorganic corrosion inhibitor.
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: May 26, 1987
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: David A. Tomkins, William S. Tait, Donald J. Duda