Patents by Inventor Gisang Song

Gisang Song 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).

  • Biaxially oriented polyester film with improved dyeability
    Patent number: 6444299
    Abstract: A biaxially oriented polyester film with improved dyeability is prepared by meltblending 55 to 90 wt. % of polyethylene terephthalate and 10 to 45 wt. % of polytrimethylene terephthalate.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: September 3, 2002
    Assignee: Kolon Industries, Inc.
    Inventors: Sanghyun Baek, Gisang Song