Patents by Inventor Yoonsun Nam

Yoonsun Nam 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: 7452933
    Abstract: The present invention relates to a cross-linked polyethylene composition having outstanding sweat-out inhibition and insulation properties. The composition of the invention characteristically comprises (A) 100 weight part of polyethylene; (B) 0.2-0.6 weight part of a mixture of a liquid antioxidant and a hindered phenol or thio ester antioxidant; (C) 0.2-0.9 weight part of polyethylene glycol having a molecular weight of 5,000-70,000; and (D) 1-4 weight part of a cross-linking agent.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: November 18, 2008
    Assignee: LG Chem, Ltd.
    Inventors: Youngil Song, Ingyu Park, Yoonsun Nam, Deukju Kim
  • Publication number: 20070203278
    Abstract: The present invention relates to a cross-linked polyethylene composition having outstanding sweat-out inhibition and insulation properties. The composition of the invention characteristically comprises (A) 100 weight part of polyethylene; (B) 0.2-0.6 weight part of a mixture of a liquid antioxidant and a hindered phenol or thio ester antioxidant; (C) 0.2-0.9 weight part of polyethylene glycol having a molecular weight of 5,000-70,000; and (D) 1-4 weight part of a cross-linking agent.
    Type: Application
    Filed: December 8, 2006
    Publication date: August 30, 2007
    Applicant: LG CHEM, LTD.
    Inventors: Youngil SONG, Ingyu PARK, Yoonsun NAM, Deukju KIM