Patents by Inventor Zhemin Rong

Zhemin Rong 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).

  • Pyrido[1,2-A]pyrimidone analog, crystal form thereof, intermediate thereof and preparation method therefor
    Patent number: 10479789
    Abstract: Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: November 19, 2019
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Tao Yu, Ning Li, Lingwei Kong, Peipei Jiang, Yong Wang, Zhemin Rong, Changjun Wang, Feng Guo, Zongbin Li, Zheng Wang, Jiahu Wu, Chengde Wu
  • PYRIDO[1,2-A]PYRIMIDONE ANALOG, CRYSTAL FORM THEREOF, INTERMEDIATE THEREOF AND PREPARATION METHOD THEREFOR
    Publication number: 20180319799
    Abstract: Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof,
    Type: Application
    Filed: December 16, 2016
    Publication date: November 8, 2018
    Inventors: Tao Yu, Ning Li, Lingwei Kong, Peipei Jiang, Yong Wang, Zhemin Rong, Changjun Wang, Feng Guo, Zongbin Li, Zheng Wang, Jiahu Wu, Chengde Wu