Patents by Inventor Hee Na

Hee Na 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).

  • Publication number: 20070260013
    Abstract: The thermoplastic rubber grafted copolymer resin composition comprising (A) about 100 parts by weight of a rubber grafted copolymer prepared by (a1) about 10 to 100 parts by weight of a rubber-modified grafted copolymer and (a2) about 0 to 90 parts by weight of copolymer prepared by vinyl cyanide compound/aromatic vinyl compound or methyl methacrylate or N-phenyl maleimide/vinyl cyanide monomer or aromatic vinyl monomer/methyl methacrylate or N-phenyl maleimide; (B) about 1 to 30 parts by weight of a maleic anhydride copolymer; and (C) about 1 to 20 parts by weight of a clay treated with a compound containing reactive functional groups; wherein said compound containing functional groups has a radical-polymerizable group and an onium ion that can ion-exchange with said clay.
    Type: Application
    Filed: May 31, 2007
    Publication date: November 8, 2007
    Applicant: CHEIL INDUSTRIES INC
    Inventors: Tae Kim, Hee Na, Duk Kim
  • Publication number: 20070155898
    Abstract: The present invention relates to polymeric materials. More particularly, the present invention relates to a thermoplastic resin composition, a method of making a thermoplastic resin composition and an article made from a thermoplastic resin composition.
    Type: Application
    Filed: November 13, 2006
    Publication date: July 5, 2007
    Inventors: Hee Na, Tae Kim