Patents by Inventor Litong BAN

Litong BAN 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: 10655117
    Abstract: The present application relates to the field of enzyme engineering, especially relates to a pullulanase as well as preparation and use thereof. The pullulanase and coding gene thereof were obtained by random mutation by using the Error-prone PCR technique on the gene of wild-type pullulanase to obtain a mutant PLUM. The enzyme activity of the mutant PLUM was improved by 57.03% compared with the wild-type pullulanase PLUM.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: May 19, 2020
    Assignee: BEIJING HONGMING XINDA TECHNOLOGY CO., LTD.
    Inventors: Yu Wang, Litong Ban, Liang Huang, Ning Sun, Hongpeng Yang
  • Publication number: 20190010474
    Abstract: The present application relates to the field of enzyme engineering, especially relates to a pullulanase as well as preparation and use thereof. The pullulanase and coding gene thereof were obtained by random mutation by using the Error-prone PCR technique on the gene of wild-type pullulanase to obtain a mutant PLUM. The enzyme activity of the mutant PLUM was improved by 57.03% compared with the wild-type pullulanase PLUM.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 10, 2019
    Inventors: Yu WANG, Litong BAN, Liang HUANG, Ning SUN, Hongpeng YANG