Patents by Inventor Zhenkai Ding

Zhenkai Ding 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).

  • Endothelin antagonist
    Patent number: 6953780
    Abstract: The instant invention relates to some tripeptide derivatives having activity against endothelin a process for preparing them, pharmaceutical composition containing the same and their use in prevention or treatment of some diseases associated with endothelin.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: October 11, 2005
    Assignee: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences, P.L.A.
    Inventors: Keliang Liu, Wensheng Yu, Yuanjun Liang, Hai Wang, Yufen Zhao, Zhenkai Ding
  • Endothelin antagonist
    Publication number: 20040038906
    Abstract: The instant invention relates to some tripeptide derivatives having activity against endothelin a process for preparing them, pharmaceutical composition containing the same and their use in prevention or treatment of some diseases associated with endothelin.
    Type: Application
    Filed: May 29, 2003
    Publication date: February 26, 2004
    Inventors: Keliang Liu, Wensheng Yu, Yuanjun Liang, Hai Wang, Yufen Zhao, Zhenkai Ding