Patents by Inventor Do-Keun Lee

Do-Keun Lee 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).

  • Thermoplastic Polyetherester Elastomer Composition Having Excellent Flex Elasticity and Cover For Air-Bag Device Thereby
    Publication number: 20080249213
    Abstract: Disclosed is a polyetherester thermoplastic elastomer resin composition with excellent Hex-elasticity and durability, which comprises 10 to 70% by weight of low hardness polyetherester block copolymer having shore-hardness not more than 40D, 55 to 15% by weight of high hardness polyetherester block copolymer having shore-hardness not less than 50D and 35 to 15% by weight of polybutylene terephthalate, and having flex-elasticity in the range of 2,500 to 4,600 kgf/cm2. The polyetherester thermoplastic elastomer resin composition of the present invention has excellent durability, processing workability, formability and scratch-resistance, as well as satisfactory flexibility and mechanical properties, especially, flex-elasticity. Additionally, the polyetherester thermoplastic elastomer resin composition of the present invention has advantages such as excellent deploying property and horn workability when it is employed in production of covers for air bags of automobiles.
    Type: Application
    Filed: February 28, 2006
    Publication date: October 9, 2008
    Applicant: Kolon Industries, Inc.
    Inventors: Sung-Keun Park, Eun-Ha Park, Do-Keun Lee