Patents by Inventor Sunli YAN

Sunli YAN 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).

  • Piperazine amide derivative, preparation method therefor, and use thereof in medicine
    Patent number: 12234222
    Abstract: The present invention relates to a piperazine amide derivative as represented by formula (I) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition thereof, and use of same as a therapeutic agent, especially as a selective Rearranged During Transfection (RET) kinase inhibitor. Ring a, ring e, X1, X2, X3, X4, R1, R2, R3, R4, R4?, R5, R5?, R6, R6?, R7, R7?, R8, m and n have the same definitions as those in the specification.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: February 25, 2025
    Assignee: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Panpan Zhang, Sunli Yan, Ying Li, Chenli Guo, Wenjian Qian, Cheng Ye, Zhengzheng Shi, Taishan Hu, Lei Chen
  • PIPERAZINE AMIDE DERIVATIVE, PREPARATION METHOD THEREFOR, AND USE THEREOF IN MEDICINE
    Publication number: 20220177450
    Abstract: The present invention relates to a piperazine amide derivative as represented by formula (I) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition thereof, and use of same as a therapeutic agent, especially as a selective Rearranged During Transfection (RET) kinase inhibitor. Ring a, ring e, X1, X2, X3, X4, R1, R2, R3, R4, R4?, R5, R5?, R6, R6?, R7, R7?, R8, m and n have the same definitions as those in the specification.
    Type: Application
    Filed: April 9, 2020
    Publication date: June 9, 2022
    Applicant: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Panpan ZHANG, Sunli YAN, Ying LI, Chenli GUO, Wenjian QIAN, Cheng YE, Zhengzheng SHI, Taishan HU, Lei CHEN