Patents by Inventor Ju-Ik Son

Ju-Ik Son 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).

  • Patent number: 5660931
    Abstract: A biaxilly oriented polymer film having improved surface properties, anti-static property and printability is prepared from a mixture of 70 to 99 parts by weight of a polyester resin containing not less than 60% by weight of repeating units of ethylene terephthalate and having an intrinsic viscosity ranging from 0.4 to 0.9 dl/g, and 1 to 30 parts by weight of polyolefin resin having a melting flow index ranging from 1.5 to 25 g/10 min, wherein said polyester film further comprises 0.1 to 25 parts by weight of an inorganic particle.
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: August 26, 1997
    Assignee: SKC Limited
    Inventors: Moon-Sun Kim, Sang-Il Kim, Young-Jin Lee, Bum-Sang Kim, Ju-Ik Son