Patents by Inventor Yeji YU

Yeji 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).

  • POLYCARBONATE COPOLYMER
    Publication number: 20240002595
    Abstract: Provided is a polycarbonate copolymer including a repeating unit of the following Chemical Formula 1, where the polycarbonate copolymer can have improved heat resistance: wherein in Chemical Formula 1, R1, R2, n1 and n2 are as defined in the specification.
    Type: Application
    Filed: August 8, 2022
    Publication date: January 4, 2024
    Inventors: Youngwook SON, Hyong Min BAHN, Byeong-Su KIM, Taehyung KIM, Yeji YU