Patents by Inventor Shengwu Yang

Shengwu Yang 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: 8759032
    Abstract: A genetically engineered strain WSJ-IA for producing isovaleryl spiramycin I. Also provided is a method for preparing the strain, including the steps of: (a) constructing a recombinant plasmid including a double gene ist-acyB2; (b) transforming the plasmid into an isovaleryl spiramycin I-producing strain to obtain the strain WSJ-IA. The level of isovaleryl spiramycin I produced by fermentation of the strain WSJ-IA is increased 1.7 times and the fermentation potency thereof increased 4.14 times in comparison with the strain exclusively including a single gene ist.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: June 24, 2014
    Assignee: Shen Yang Tonglian Group Co., Ltd.
    Inventors: Yiguang Wang, Yang Jiang, Shengwu Yang, Xiaofeng Zhao
  • Publication number: 20130130324
    Abstract: A genetically engineered strain WSJ-IA for producing isovaleryl spiramycin I. Also provided is a method for preparing the strain, comprising the steps of: (a) constructing a recombinant plasmid comprising a double gene ist-acyB2; (b) transforming the plasmid into an isovaleryl spiramycin I—producing strain to obtain the strain WSJ-IA. The level of isovaleryl spiramycin I produced by fermentation of the strain WSJ-IA is increased 1.7 times and the fermentation potency thereof increased 4.14 times in comparison with the strain exclusively comprising a single gene ist.
    Type: Application
    Filed: July 21, 2011
    Publication date: May 23, 2013
    Applicant: SHEN YANG TONGLIAN GROUP CO., LTD.
    Inventors: Yiguang Wang, Yang Jiang, Shengwu Yang, Xiaofeng Zhao
  • Patent number: D920601
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 25, 2021
    Inventor: Shengwu Yang