Patents by Inventor Zhenping Liu

Zhenping Liu 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 OF PYRIDAZINONE DERIVATIVE, AND INTERMEDIATE THEREOF
    Publication number: 20250115559
    Abstract: Provided are a preparation method of a pyridazinone derivative, an intermediate thereof, and a preparation method of the intermediate. The method has the advantages of easily available raw materials, simple steps, low costs, good intermediate stability, high purity and high yield, and is suitable for large-scale industrial production.
    Type: Application
    Filed: February 6, 2023
    Publication date: April 10, 2025
    Inventors: Jiang Fan, Ying Dou, Fengfei Zhu, Zhenping Liu, Jianchuan Feng, Zhigang Wang, Jingxiong Sun, Sijia Liu
  • Mobile phone support
    Patent number: D954039
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: June 7, 2022
    Assignee: TALENT (TIANJIN) ELECTRONICS CO., LTD
    Inventors: Zhenping Liu, Jing Chen, Myungki Kim, Yanxi Zong