Patents by Inventor Soo Whan Choi

Soo Whan Choi 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).

  • Polymeric metal coating
    Patent number: 6245579
    Abstract: The invention relates to water-soluble polymeric thiosulfates, to a method for their preparation by polymer-analogous addition of tetrathionate to unsaturated polymers and to their application in surface coating.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: June 12, 2001
    Assignee: Universitat Karlsruhe
    Inventors: Gerhard Wenz, Denise Freitas Petri, Soo Whan Choi