Patents by Inventor Zegui Cai

Zegui Cai 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).

  • Phenylalanine dipeptide derivatives, compositions and use thereof
    Patent number: 9023809
    Abstract: Disclosed are a compound of formula I, stereoisomers, pharmaceutically acceptable salts or hydrates thereof, a pharmaceutical composition comprising the same, a process for preparing the same and use thereof. The compound may also be used to prepare a medicament to treat viral infections, especially to prepare a medicament to treat hepatitis B virus and human immunodeficiency virus with little toxic side effects.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: May 5, 2015
    Assignees: The Key Laboratory of Chemistry For Natural Products of Guizhou Province and Chinese Academy of Sciences, Tianjin Institute of Pharmaceutical Research, 302 Hospital of PLA, China
    Inventors: Guangyi Liang, Bixue Xu, Changxiao Liu, Zhengming Huang, Peixue Cao, Zegui Cai, Yuming Liu
  • PHENYLALANINE DIPEPTIDE DERIVATIVES, COMPOSITIONS AND USE THEREOF
    Publication number: 20090247470
    Abstract: Disclosed are a compound of formula I, stereoisomers, pharmaceutically acceptable salts or hydrates thereof, a pharmaceutical composition comprising the smae, a process for preparing the same and use thereof. The compound may also be used to prepare a medicament to treat viral infections, especially to prepare a medicament to treat hepatitis B virus and human immunodeficiency virus with little toxic side effects.
    Type: Application
    Filed: March 27, 2008
    Publication date: October 1, 2009
    Applicants: The Key Lab. Of Chemistry for Natural Products of Guizhou Province and Chinese Acad. of Sciences, Tianjin Institute of Pharmaceutical Research, 302 Hospital of PLA, China
    Inventors: Guangyi Liang, Bixue Xu, Changxiao Liu, Zhengming Huang, Peixue Cao, Zegui Cai, Yuming Liu