Patents by Inventor Lingwei Bai

Lingwei Bai 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).

  • Preparation of new intermediate of heparin pentasaccharide and preparation method thereof
    Patent number: 9624315
    Abstract: The present invention relates to a process of a chemically synthetic drug, and in particular, to a new intermediate of a heparin pentasaccharide and a preparation method thereof. The process has high reaction efficiency, and an easy reaction operation. The reaction intermediate is easy to be purified, and is appropriate for an industrialization production.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: April 18, 2017
    Assignee: Zhejiang Hisum Pharmaceutical Co., Ltd.
    Inventors: Yanghui Guo, Hegeng Wei, Hua Bai, Yingqiu Wu, Yue Zhang, Junhui Zhou, Yili Ding, Lingwei Bai, Shibao Yang
  • PREPARATION OF NEW INTERMEDIATE OF HEPARIN PENTASACCHARIDE AND PREPARATION METHOD THEREOF
    Publication number: 20150299340
    Abstract: The present invention relates to a process of a chemically synthetic drug, and in particular, to a new intermediate of a heparin pentasaccharide and a preparation method thereof. The process has high reaction efficiency, and an easy reaction operation. The reaction intermediate is easy to be purified, and is appropriate for an industrialization production.
    Type: Application
    Filed: April 2, 2013
    Publication date: October 22, 2015
    Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Yanghui Guo, Hegeng Wei, Hua Bai, Yingqiu Wu, Yue Zhang, Junhui Zhou, Yili Ding, Lingwei Bai, Shibao Yang