Patents by Inventor John S. Pietrasiewicz, Jr.

John S. Pietrasiewicz, Jr. 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).

  • Flexible, corrosion resistant, thermosetting metal coating compositions
    Patent number: 4769413
    Abstract: A coating composition comprises 5 to 30 wt % of a blocked isocyanate-functional urethane prepolymer, 2 to 25 wt % of at least one organic solvent-soluble phenolic resin, 3 to 18 wt % of a halogenated resin selected from the group consisting of halogenated rubber, halogenated polyolefins and halogenated vinyl halide polymers and an inert solvent in an amount sufficient to provide an adhesive primer having a solids content of 10 to 70 wt %.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: September 6, 1988
    Assignee: Lord Corporation
    Inventors: Kenneth E. Fleming, John S. Pietrasiewicz, Jr.