Patents by Inventor Claudia L. Danforth

Claudia L. Danforth 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).

  • Silicate treatment for coated substrate
    Patent number: 4365003
    Abstract: Metals, particularly ferrous metals, coated for corrosion resistance with coatings containing particulate metal and hexavalent chromium-providing substance can now be made further corrosion resistant, as well as heat resistant, with a topcoat of silica substance. In addition, mar resistance plus improved outdoor weathering is also achieved, without sacrifice to other characteristics, e.g., coating adhesion.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: December 21, 1982
    Assignee: Diamond Shamrock Corporation
    Inventors: Claudia L. Danforth, Jon A. deRidder