Patents by Inventor Mei H. Hwang

Mei H. Hwang 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).

  • Electroconductive polymer composition
    Patent number: 4282118
    Abstract: An electroconductive polymer composition containing an electroconductive polymer, a fluorosurfactant and a stabilizer.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: August 4, 1981
    Assignee: Calgon Corporation
    Inventor: Mei H. Hwang
  • Electroconductive coating formulations
    Patent number: 4259411
    Abstract: Electroconductive coating formulations consisting essentially of (1) a barrier coating which comprises a copolymer of ethylene and vinyl acetate, styrene-butadiene latexes, sodium alginate or fluorocarbons with starch; and (2) a conductive coating.
    Type: Grant
    Filed: September 5, 1979
    Date of Patent: March 31, 1981
    Assignee: Calgon Corporation
    Inventors: Robert H. Windhager, Mei H. Hwang
  • Electroconductive coating formulation
    Patent number: 4132674
    Abstract: Methanol soluble electroconductive coating formulations comprising an electroconductive polymer and a methanol dispersible fluorosurfactant and optionally a pigment.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: January 2, 1979
    Assignee: Calgon Corporation
    Inventor: Mei H. Hwang