Patents by Inventor Hyeongtek Ham

Hyeongtek Ham 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).

  • ETHYLENE COPOLYMER WITH IMPROVED IMPACT RESISTANCE
    Publication number: 20100113729
    Abstract: Provided are ethylene copolymers with excellent impact resistance. More specifically, provided are ethylene copolymers satisfying certain correlation between the falling dart impact strength (F) or high rate impact resistant breakage energy (E) and Vicat softening point. The ethylene copolymers with improved impact properties are applicable to film, injection, compound, sheet, roto, pipe or blow molding.
    Type: Application
    Filed: October 29, 2009
    Publication date: May 6, 2010
    Inventors: Seungbum Kwon, Hyeongtek Ham, Choonsik Shim, Sungseok Chae, Myungahn Ok, Daeho Shin