Patents by Inventor Seoun Jun Kim

Seoun Jun Kim 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).

  • Thermoplastic PVC foam composition
    Patent number: 5776993
    Abstract: This invention relates to a thermoplastic PVC foam composition and more particularly, to the thermoplastic PVC foam composition suitable for a shoe material, which is characterized by the following fabrication and advantages. Some plasticizer and additive are added to the PVC base, plasticized by dioctyl phthalate (hereinafter called as "DOP") or epoxide soybean oil (hereinafter called as "ESO") to obtain the thermoplastic PVC foam composition. Then, one type of compound, selected from rubber thermoplastic urethane compound (hereinafter called as "TPU") and ethylenevinyl acetate copolymer (hereinafter called as "EVA"), was added to the mixture for modification.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: July 7, 1998
    Assignees: Korea Institute of Footwear & Leather Technology, HS Corporation
    Inventors: Bong Sub Shin, Jae Yeon Lee, Dong Keun Kim, Seoun Jun Kim, Sung Ok Cho