Patents by Inventor Si-kyung Ryu

Si-kyung Ryu 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).

  • Acrylonitrile-butadiene-styrene resin composition having good weatherability and thermostability
    Patent number: 7629402
    Abstract: The present invention relates to an acrylonitrile-butadiene-styrene resin composition, and more precisely, an acrylonitrile-butadiene-styrene resin composition which is prepared by adding a brominated organic compound flame retardant, an antimony flame retardant auxiliary and one or more other compounds selected from a group consisting of metal stearate and stearamide compounds to a basic resin composed of acrylonitrile-butadiene-styrene copolymer and styrene-acrylonitrile copolymer. The acrylonitrile-butadiene-styrene resin composition of the present invention not only has excellent flame resistance but also has improved thermostability and weatherability.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: December 8, 2009
    Assignee: LG Chem, Ltd.
    Inventors: Si-kyung Ryu, Yong-yeon Hwang, Jin-woo Yi, Young-young Hwang, Je-sun Yoo
  • ACRYLONITRILE-BUTADIENE-STYRENE RESIN COMPOSITION HAVING GOOD WEATHERABILITY AND THERMOSTABILITY
    Publication number: 20070142524
    Abstract: The present invention relates to an acrylonitrile-butadiene-styrene resin composition, and more precisely, an acrylonitrile-butadiene-styrene resin composition which is prepared by adding a brominated organic compound flame retardant, an antimony flame retardant auxiliary and one or more other compounds selected from a group consisting of metal stearate and stearamide compounds to a basic resin composed of acrylonitrile-butadiene-styrene copolymer and styrene-acrylonitrile copolymer. The acrylonitrile-butadiene-styrene resin composition of the present invention not only has excellent flame resistance but also has improved thermostability and weatherability.
    Type: Application
    Filed: November 17, 2006
    Publication date: June 21, 2007
    Applicant: LG CHEM, LTD.
    Inventors: Si-kyung RYU, Yong-yeon HWANG, Jin-woo YI, Young-young HWANG, Je-sun YOO