Patents by Inventor Dechuan Wang

Dechuan Wang 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).

  • Patent number: 7820692
    Abstract: A kind of tetrahydro isoquinoline derivatives (I), their preparation methods, medicine compositions and medicinal uses thereof, especially their uses as ?-opioid receptor excitant in pain relieving, which belongs to the medicine chemistry. The substituents R1, R2, R3, R4 of general formula (I) are defined as the description.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: October 26, 2010
    Assignees: China Pharmaceutical University, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Yangtze River Pharmaceutical Group Co., Ltd.
    Inventors: Yungen Xu, Jinggen Liu, Ting Guo, Dechuan Wang, Tianjiang Sun, Hongguo Lu
  • Publication number: 20090275607
    Abstract: A kind of tetrahydro isoquinoline derivatives (I), their preparation methods, medicine compositions and medicinal uses thereof, especially their uses as ?-opioid receptor excitant in pain relieving, which belongs to the medicine chemistry. The substituents R1, R2, R3, R4 of general formula (I) are defined as the description.
    Type: Application
    Filed: July 10, 2007
    Publication date: November 5, 2009
    Inventors: Yungen Xu, Jinggen Liu, Ting Guo, Dechuan Wang, Tianjiang Sun, Hongguo Lu