Patents by Inventor Joon Hee KO

Joon Hee KO 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).

  • Polyolefin-natural fiber composite composition for extrusion molding
    Patent number: 9695305
    Abstract: The present disclosure relates to a polyolefin-natural fiber composite composition for extrusion molding, and more particularly to a polyolefin-natural fiber composite composition, which comprises polyolefin resin, natural fiber, thermoplastic elastic rubber and an anhydrous maleic acid-grafted polypropylene-based compatibilizer, and is useful as a material for an extrusion molded article by obtaining an effect of improving dimensional stability, mechanical properties and surface quality through adjusting three-dimensional structure and particle size of the polypropylene-based compatibilizer and binding rate of the maleic acid.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: July 4, 2017
    Assignees: Hyundai Motor Company, Lotte Chemical Corporation
    Inventors: Oh Deok Kwon, Dae Sik Kim, Ho Geun Jung, Byung Kook Nam, Sung Min Cho, Hyung Sin Lee, Joon Hee Ko
  • POLYOLEFIN-NATURAL FIBER COMPOSITE COMPOSITION FOR EXTRUSION MOLDING
    Publication number: 20150252179
    Abstract: The present disclosure relates to a polyolefin-natural fiber composite composition for extrusion molding, and more particularly to a polyolefin-natural fiber composite composition, which comprises polyolefin resin, natural fiber, thermoplastic elastic rubber and an anhydrous maleic acid-grafted polypropylene-based compatibilizer, and is useful as a material for an extrusion molded article by obtaining an effect of improving dimensional stability, mechanical properties and surface quality through adjusting three-dimensional structure and particle size of the polypropylene-based compatibilizer and binding rate of the maleic acid.
    Type: Application
    Filed: December 12, 2014
    Publication date: September 10, 2015
    Inventors: Oh Deok KWON, Dae Sik KIM, Ho Geun JUNG, Byung Kook NAM, Sung Min CHO, Hyung Sin LEE, Joon Hee KO