Patents by Inventor Tsung-Ein Tsai

Tsung-Ein Tsai 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).

  • Composition and method for making conductive polymers
    Patent number: 4456548
    Abstract: Disclosed is a composition comprising a doped solid resinous acrylonitrile polymer wherein said acrylonitrile polymer is selected from the group consisting of at least one condensed polyacrylonitrile and dehydrohalogenated polyalphahaloacrylonitrile and said polymer is doped with at least one reagent capable of forming charge-transfer complexes with said acrylonitrile polymer selected from the group consisting of Lewis acids and Lewis bases. Also disclosed are films of said polymer and a process for making said composition.
    Type: Grant
    Filed: October 15, 1982
    Date of Patent: June 26, 1984
    Assignee: Standard Oil Company (Indiana)
    Inventors: David Lewis, Davida W. Kalina, Tsung-Ein Tsai