Patents by Inventor Charles G. Cosner

Charles G. Cosner 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).

  • Surface coloring of polyvinyl resins
    Patent number: 4451264
    Abstract: This invention is directed to inks (coloring solutions) for polyvinyl resin surfaces, particularly PVC wire insulation color coding, where the ink consists essentially of a Color Index Solvent dye dissolved in a liquid halogenated hydrocarbon solvent having 1-2 carbon atoms. A preferred solvent is dichloromethane.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 29, 1984
    Assignee: Formulabs Industrial Inks, Inc.
    Inventors: Donald C. Ulry, Charles G. Cosner, Thomas D. Ryan