Patents by Inventor Fengbo LI

Fengbo LI 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).

  • Compound containing fused ring, use thereof and pharmaceutical composition containing same
    Patent number: 11661420
    Abstract: Disclosed are a compound containing a fused ring, a use thereof and a pharmaceutical composition containing same. Provided are a compound as shown in formula I-A, a pharmaceutically acceptable salt thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof or a crystal form thereof. The compound can significantly reduce the levels of HBsAg, HBeAg and HBV DNA, and can be used for preparing a drug for treating hepatitis B, and has good market prospects.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 30, 2023
    Assignee: NANJING HEPO PHARMACEUTICAL CO., LTD
    Inventors: Pengfei Qian, Fengbo Li, Xuejun Liu, Xiaodong Chen, Lijun Guo, Kai Sun
  • COMPOUND CONTAINING FUSED RING, USE THEREOF AND PHARMACEUTICAL COMPOSITION CONTAINING SAME
    Publication number: 20220213085
    Abstract: Disclosed are a compound containing a fused ring, a use thereof and a pharmaceutical composition containing same. Provided are a compound as shown in formula I-A, a pharmaceutically acceptable salt thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof or a crystal form thereof. The compound can significantly reduce the levels of HBsAg, HBeAg and HBV DNA, and can be used for preparing a drug for treating hepatitis B, and has good market prospects.
    Type: Application
    Filed: April 22, 2020
    Publication date: July 7, 2022
    Inventors: Pengfei QIAN, Fengbo LI, Xuejun LIU, Xiaodong CHEN, Lijun GUO, Kai SUN