Patents by Inventor William V. Warnick

William V. Warnick 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).

  • Glossy coating compositions from copolymers of vinylidene fluoride
    Patent number: 3944689
    Abstract: Continuous, glossy coatings are provided by compositions comprising a copolymer of vinylidene fluoride and tetrafluoroethylene or perfluoropropene and an acrylate polymer dispersed in a gloss enhancing solvent comprising 2-nitropropane, cyclohexanone or dimethylacetamide, or a combination of such solvents. The coatings obtained have the outstanding resistance and weatherability properties characteristic of fluoropolymer coatings.
    Type: Grant
    Filed: October 22, 1971
    Date of Patent: March 16, 1976
    Assignee: PPG Industries, Inc.
    Inventors: Glenn W. Luckock, William V. Warnick