Patents by Inventor Fangxian Ning

Fangxian Ning 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).

  • DERIVATIVES OF BETULIN
    Publication number: 20120302534
    Abstract: The present invention relates to a compound characterized by the following Formula I: or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, X, and Y are as described herein. Compounds of the present invention are useful for the treatment of HIV-1.
    Type: Application
    Filed: February 9, 2011
    Publication date: November 29, 2012
    Inventors: Daxin Gao, Nianhe Han, Zhimin Jin, Fangxian Ning, Jun Tang, Yongyong Wu, Heping Yang