Patents by Inventor Yalei CAI

Yalei CAI 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).

  • NITROGEN-CONTAINING SPIRO DERIVATIVE AS RET INHIBITOR
    Publication number: 20220204507
    Abstract: Disclosed are a series of compounds with a nitrogen-containing spiro structure and an application thereof in the preparation of an RET kinase inhibitor. Specifically, disclosed is a compound as shown in formula (II) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 30, 2022
    Applicants: GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO., LTD. BAIYUNSHAN PHARMACEUTICAL GENERAL FACTORY, MEDSHINE DISCOVERY INC.
    Inventors: Jiansong WANG, Zhifei FU, Zhibo LUO, Miaorong LUO, Yang ZHANG, Yalei CAI, Wu ZHU, Jian LI, Shuhui CHEN, Yingxia BAO, Wei WANG, Zhoufan XIE