Patents by Inventor Yun Jong Jeon

Yun Jong Jeon 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: 7838581
    Abstract: The present invention relates to a polypropylene resin composition, more particularly to a composition comprising an ethylene/propylene block copolymer, an ethylene/?-olefin copolymer rubber, a styrene-based polymer rubber, a polypropylene-silicone rubber master batch, a magnesium compound and an inorganic filler. The polypropylene resin composition of the present invention exhibits superior rigidity, scratch resistance and glossiness, outstanding laser processability and low-temperature impact resistance, and also superior fluidity. Therefore, it is applicable to manufacture interior materials of a vehicle such as an instrument panel. Especially, the present invention is suitable to manufacture an air bag deployable instrument panel assembly requiring no coating.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: November 23, 2010
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hong Kim, Yun Jong Jeon
  • Publication number: 20090137708
    Abstract: The present invention relates to a polypropylene resin composition, more particularly to a composition comprising an ethylene/propylene block copolymer, an ethylene/?-olefin copolymer rubber, a styrene-based polymer rubber, a polypropylene-silicone rubber master batch, a magnesium compound and an inorganic filler. The polypropylene resin composition of the present invention exhibits superior rigidity, scratch resistance and glossiness, outstanding laser processability and low-temperature impact resistance, and also superior fluidity. Therefore, it is applicable to manufacture interior materials of a vehicle such as an instrument panel. Especially, the present invention is suitable to manufacture an air bag deployable instrument panel assembly requiring no coating.
    Type: Application
    Filed: December 31, 2007
    Publication date: May 28, 2009
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hong Kim, Yun Jong Jeon