Patents by Inventor Changhoon Yu

Changhoon Yu 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).

  • POLYMER, METHOD OF PREPARING SAME, AND POLYURETHANE PREPARED BY USING SAME
    Publication number: 20240117103
    Abstract: A polymer represented by Chemical Formula 1 having a number average molecular weight of about 10 g/mol to 1,000,000 g/mol, and PDI of about 1 to about 1.1, a process of preparing the polymer, and a polyurethane prepared by using the polymer are provided: In Chemical Formula 1, each of R1, R2, X1, X2, Y1, Y2, k, m, and n is as defined as in the detailed description of the invention.
    Type: Application
    Filed: September 14, 2023
    Publication date: April 11, 2024
    Inventors: Min Sang Kwon, Changhoon Yu