Patents by Inventor Donald D. Hurst

Donald D. Hurst 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 coating including tin and zinc dust pigment
    Patent number: 5274021
    Abstract: A corrosion resistant coating including by weight:A) 130 to 310 parts of a linear epoxy or phenoxy resin solution per thousand parts of coating;B) 30 to 620 parts of a powdered metal or dust selected from the group consisting essentially of zinc, basic zinc molybdate, calcium zinc molybdate/zinc phosphate; basic calcium zinc molybdate, basic zinc molybdate/phosphate, tin, mica, aluminum, black iron oxide, cadmium, stainless steel and alloys and blends thereof per thousand parts of coating;C) 13 to 70 parts of a suspension agent per thousand parts of coating for supporting components A and B in the coating;D) 6 to 20 parts of a thixotropic agent per thousand parts of coating for preventing gelling prior to heat cure for producing a thin uniform distribution on the substrate; andE) the balance of the coating consisting essentially of an organic solvent selected from the group including aliphatic hydrocarbon solvents, aromatic hydrocarbons, glycols, and acetates and blends thereof.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: December 28, 1993
    Inventors: Thurlow Geeck, Donald D. Hurst