Patents by Inventor Weiren Xu

Weiren Xu 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).

  • Glycyrrhetinic acid-30-amide derivatives and their use
    Patent number: 7790759
    Abstract: The present invention relates to the field of a medicine for treating diseases associated with inflammation, immunity or infection, and in particular, to glycyrrhetinic acid-30-amide derivatives of general formula I and their preparation, and a pharmaceutical composition containing the same. Said derivatives and composition exhibit anti-inflammatory, analgesic, anti-allergic, cough-preventing, liver-protecting and anti-viral properties, wherein each group is as defined in the description.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: September 7, 2010
    Assignee: Tianjin Institute of Pharmaceutical Research
    Inventors: Jianwu Wang, Weiren Xu, Jianping Wong, Lida Tang, Shijun Zhang, Lijun Liu, Yuli Wang, Xiaowen Ren
  • Glycyrrhetinic Acid-30-Amide Derivatives and Their Use
    Publication number: 20080214636
    Abstract: The present invention relates to the field of a medicine for treating diseases associated with inflammation, immunity or infection, and in particular, to glycyrrhetinic acid-30-amide derivatives of general formula I and their preparation, and a pharmaceutical composition containing the same. Said derivatives and composition exhibit anti-inflammatory, analgesic, anti-allergic, cough-preventing, liver-protecting and anti-viral properties, wherein each group is as defined in the description.
    Type: Application
    Filed: October 16, 2006
    Publication date: September 4, 2008
    Applicant: TIANJIN INSTITUTE OF PHARMACEUTICAL RESEARCH
    Inventors: Jianwu Wang, Weiren Xu, Jianping Yong, Lida Tang, Shijun Zhang, Lijun Liu, Yuli Wang, Xiaowen Ren