Patents by Inventor Daoke Dou

Daoke Dou 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).

  • Processes for the preparation of Ribociclib and intermediates thereof
    Patent number: 10723739
    Abstract: The present invention provides processes for the preparation of Ribociclib, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the preparation of a compound of Formula (4), and its conversion to Ribociclib (1).
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: July 28, 2020
    Assignee: Apotex Inc.
    Inventors: Daoke Dou, Kangying Li, Fuchang Zhang, Jiang Pei, Wancheng Guo
  • Processes for the Preparation of Ribociclib and Intermediates Thereof
    Publication number: 20190345163
    Abstract: The present invention provides processes for the preparation of Ribociclib, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the preparation of a compound of Formula (4), and its conversion to Ribociclib (1).
    Type: Application
    Filed: May 13, 2019
    Publication date: November 14, 2019
    Inventors: Daoke Dou, Kangying Li, Fuchang Zhang, Jiang Pei, Wancheng Guo