Patents by Inventor Jyu-Tae Park

Jyu-Tae Park 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).

  • Publication number: 20120177854
    Abstract: A polyester resin copolymerized with isosorbide and 1,4-cyclohexane dimethanol and having an improved impact strength, and a method for preparing the same are disclosed. The copolymerized polyester resin has an alternating structure of acid moieties which are derived from acid components and diol moieties which are derived from diol components, wherein the acid components comprise terephthalic acid, and the diol components comprise (i) 5˜99 mol % of 1,4-cyclohexanedimethanol and (ii) 1˜60 mol % of isosorbide with respect to the total diol components.
    Type: Application
    Filed: September 13, 2010
    Publication date: July 12, 2012
    Inventors: Roy Lee, Jong-Ryang Kim, Jae-Bong Lim, Won-Jae Yoon, Dong-Jin Kim, Jyu-Tae Park, Yoo-Jin Lee