Patents by Inventor Sang-ll Kim

Sang-ll 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).

  • BIAXIALLY ORIENTED POLYESTER FILM AND PREPARATION THEREOF
    Publication number: 20090240024
    Abstract: A biaxially oriented polyester film of the present invention which comprises a polyester resin prepared by polymerizing a glycol component mainly comprising 1,3-propanediol and an acid component mainly comprising terephthalic acid or dimethyl terephthalate, said polyester film having an unit impact absorption energy of 1.0 or more, can be advantageously used for packaging.
    Type: Application
    Filed: March 22, 2005
    Publication date: September 24, 2009
    Applicant: SKC CO., LTD.
    Inventors: Nam-Il Kim, Sang-ll Kim, Kyung-Yon Kim, Taebyoung Oh, Youngwon Kim