Patents by Inventor JIFU WEN

JIFU WEN 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).

  • engineering bacteria producing 1,5-pentanediamine through whole cell catalysis and application thereof
    Patent number: 10017798
    Abstract: The present invention discloses an E. coli engineering bacteria producing 1,5pentanediamine through a whole cell catalysis and its application. The engineering bacteria according to the present invention, is Escherichia coli (E. coli) strain B or its derivative strains with the overexpression of a lysine decarboxylase gene and a proper expression of a lysinecadaverine antiporter gene cadB.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: July 10, 2018
    Assignee: NINGXIA EPPEN BIOTECH CO., LTD
    Inventors: Tingyi Wen, Shuwen Liu, Yong Liang, Xiuling Shang, Qian Liu, Jifu Wen, Yun Zhang
  • E. COLI ENGINEERING BACTERIA PRODUCING 1,5-PENTANEDIAMINE THROUGH WHOLE CELL CATALYSIS AND APPLICATION THEREOF
    Publication number: 20170226544
    Abstract: The present invention discloses an E. coli engineering bacteria producing 1,5-pentanediamine through a whole cell catalysis and its application. The engineering bacteria according to the present invention, is Escherichia coli (E. coli) strain B or its derivative strains with the overexpression of a lysine decarboxylase gene and a proper expression of a lysine-cadaverine antiporter gene cadB. The engineering bacteria according to the present invention is the engineering bacteria producing 1,5-pentanediamine through the whole cell catalysis constructed from Escherichia coli B derivative strains, which has an overexpression of a lysine decarboxylase gene cadA and a proper expression of the lysine-cadaverine antiporter gene cadB.
    Type: Application
    Filed: June 25, 2015
    Publication date: August 10, 2017
    Inventors: TINGYI WEN, SHUWEN LIU, YONG LIANG, XIULING SHANG, QIAN LIU, JIFU WEN, YUN ZHANG