Patents by Inventor Gyu ll Lee

Gyu ll 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).

  • Plasticizer, plasticizer composition, heat-resistant resin composition and method for preparing the same
    Patent number: 9085670
    Abstract: Disclosed are a plasticizer that, when used for a heat-resistant resin composition, improves elongation retention, enhances aging resistance and heat resistance, and exhibits superior tensile strength, tensile strength retention, heating loss or the like before and after heating, thus contributing to enhancement in physical properties of the heat-resistant resin, a plasticizer composition, a heat-resistant resin composition and a method for preparing the same.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: July 21, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Mi Yeon Lee, Dong Hyun Ko, Hyun Kyu Kim, Da Won Jung, Gyu ll Lee