Patents by Inventor Haifan Liu

Haifan 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).

  • Agarofuan derivatives, their preparation, pharmaceutical composition containing them and their use as medicine
    Patent number: 6486201
    Abstract: The compound represented by formula (I), in which the substitutes are defined as in the specification and the claims, or their stereoisomers, the process for preparing them, pharmaceutical composition containing them and their use as medicine.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: November 26, 2002
    Assignee: Institute of Materia Medica, Chinese Academy of Medical Science (CN)
    Inventors: Jiyu Guo, Weijun Wang, Hongju Fang, Qian Liu, Wuyan Zhang, Dali Yin, Sujuan Sun, Ruiwu Liu, Chun Li, Haifan Liu, Donghui Wang