Patents by Inventor Chunqiu YU

Chunqiu 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).

  • Publication number: 20240043392
    Abstract: The invention relates to the field of medicinal chemistry, and discloses a class of biphenyl derivatives with PD-1/PD-L1 inhibitory activity, and a preparation method and use thereof. The invention further discloses a composition containing the biphenyl derivatives with PD-1/PD-L1 inhibitory activity or pharmaceutically acceptable salts thereof and a pharmaceutically acceptable carrier, and applications of the composition in preparation of PD-1/PD-L1 inhibitors. The compounds of the invention are useful in the therapy used to treat tumors.
    Type: Application
    Filed: April 22, 2022
    Publication date: February 8, 2024
    Applicant: XI'AN XINTON PHARMACEUTCAL RESEARCH CO., LTD.
    Inventors: Yungen XU, Hongbo ZHANG, Qihua ZHU, Huijie DU, Yu XIA, Chunqiu YU, Shihui HUANG, Hui LI, Yi ZOU