Patents by Inventor Louis A. Rosenthal

Louis A. Rosenthal 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).

  • Method for the surface treatment of thermoplastic materials
    Patent number: 4145386
    Abstract: In the corona discharge surface treatment of a continuum of thermoplastic material passed through an air gap between stationary and roller electrodes across which a high voltage is impressed, the improvement which comprises employing as said stationary electrode a metallic substrate of high electrical conductivity and a continuous coating layer of porcelain enamel dielectric material.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: March 20, 1979
    Assignee: Union Carbide Corporation
    Inventor: Louis A. Rosenthal