Patents by Inventor Shoufang Zhang

Shoufang Zhang 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).

  • Aminopyrrolizinone analogues for anti-inflammation and analgesia (II)
    Patent number: 5616604
    Abstract: New pharmaceutical compounds, which are novel aminopyrrolizinone analogues, having anti-inflammatory and analgesic function and method of making the same.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: April 1, 1997
    Inventors: Shoufang Zhang, Xinxian Zhao, Wenfang Kao, Jinrui Wang