Patents Assigned to QINGDAO CONTINENT PHARMACEUTICAL CO. LTD.
  • Sterilizing polymer and method of preparation thereof
    Patent number: 8524216
    Abstract: The present invention provided a polymer and a method for preparing the polymer, wherein the polymer was a terpolymer having a molecular weight of more than 1000, and copolymerized by acrolein, acrylic acid, and low alkene-alkyl dibasic acid or low-alkene-alkyl polybasic acid.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: September 3, 2013
    Assignee: Qingdao Continent Pharmaceutical Co., Ltd.
    Inventors: Shengzhang Yin, Qiaoleng Wang, Zhiyong Zhang
  • STERILIZING POLYMER AND METHOD OF PREPARATION THEREOF
    Publication number: 20110135593
    Abstract: The present invention provided a polymer and a method for preparing the polymer, wherein the polymer was a terpolymer having a molecular weight of more than 1000, and copolymerized by acrolein, acrylic acid, and low alkene-alkyl dibasic acid or low-alkene-alkyl polybasic acid.
    Type: Application
    Filed: June 22, 2009
    Publication date: June 9, 2011
    Applicant: QINGDAO CONTINENT PHARMACEUTICAL CO. LTD.
    Inventors: Shengzhang Yin, Qiaoleng Wang, Zhiyong Zhang