Patents by Inventor Eui Soon Chang

Eui Soon Chang 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).

  • Superconducting colloids, superconducting thin layers produced therefrom, and processes for producing them
    Patent number: 6794337
    Abstract: The present invention relates to a superconducting colloid prepared by an exfoliating multi-layered superconductor, represented by the formula Bi2Sr2Cam−1CumO2m+4+&dgr; (wherein, m is 1, 2 or 3 and &dgr; is a positive number greater than 0 and less than 1) in which a mercuric halide-organic complex is intercalated, a process thereof, a superconducting thin layer prepared using the above superconducting colloid, and a process thereof.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: September 21, 2004
    Inventors: Jin Ho Choy, Soon Jae Kwon, Eui Soon Chang