Patents Assigned to Bioregen Biomedical (Shanghai) Co., Ltd
  • Dihydrazide compounds, preparation and uses thereof
    Patent number: 8067636
    Abstract: Disclosed are dihydrazide compounds having formula (I) or (II), wherein R1-R4 are alkylene, substituted alkylene, aryl or polyether radical. The preparation and uses for producing medical hydrogel and medicine controlled releasing carrier of said dihydrazide compounds are provided.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: November 29, 2011
    Assignee: Bioregen Biomedical (Shanghai) Co., Ltd
    Inventor: Xiaozheng Shu