Patents by Inventor Mingbo Yang

Mingbo Yang 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).

  • Preparation method for revaprazan hydrochloride
    Patent number: 9981917
    Abstract: Provided is a preparation method for revaprazan hydrochloride, the method comprising: (1) the preparation of 4-hydroxyl-2-(4-fluoroaniline)-5,6-dimethylpyrimidine; (2) the preparation of 4-chloro-2-(4-fluoroaniline)-5,6-dimethylpyrimidine; (3) the preparation of revaprazan hydrochloride. The method has advantages such as simple operations, high product purity, good yield and suitability for industrial production.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: May 29, 2018
    Assignee: Jiangsu Tasly Diyi Pharmaceutical Co., Ltd.
    Inventors: Wenzheng Liu, Guocheng Wang, Qingwei Hou, Qiaoping Cui, Zhanyuan Zhu, Jinping Liu, Mingbo Yang, Hongguang Meng
  • PREPARATION METHOD FOR REVAPRAZAN HYDROCHLORIDE
    Publication number: 20170267646
    Abstract: Provided is a preparation method for revaprazan hydrochloride, the method comprising: (1) the preparation of 4-hydroxyl-2-(4-fluoroaniline)-5,6-dimethylpyrimidine; (2) the preparation of 4-chloro-2-(4-fluoroaniline)-5,6-dimethylpyrimidine; (3) the preparation of revaprazan hydrochloride. The method has advantages such as simple operations, high product purity, good yield and suitability for industrial production.
    Type: Application
    Filed: November 12, 2015
    Publication date: September 21, 2017
    Inventors: Wenzheng Liu, Guocheng Wang, Qingwei Hou, Qiaoping Cui, Zhanyuan Zhu, Jinping Liu, Mingbo Yang, Hongguang Meng