Patents Assigned to HEILONGJIANG EPPEN NEW MATERIALS CO., LTD.
  • Method for fermentation-production of pentanediamine comprising carbon dioxide stripping technique
    Patent number: 11060080
    Abstract: A method for fermentation-production of a pentanediamine, comprising: culturing a cell expressing a lysine decarboxylase to obtain a whole cell fermentation broth comprising a pentanediamine; and extracting the pentanediamine from the whole cell fermentation broth, and striping the whole cell fermentation broth of carbon dioxide contained therein before adding a strong base. The method greatly increases a production volume of the pentanediamine.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: July 13, 2021
    Assignee: HEILONGJIANG EPPEN NEW MATERIALS CO., LTD.
    Inventors: Jiyin Ma, Tingyi Wen, Shuwen Liu, Yong Liang, Daihuan Li, Yun Zhang, Xiuling Shang, Chunguang Zhao, Xiaowei Guo, Gang Meng