Patents by Inventor Dingxiang Li

Dingxiang Li 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).

  • High-purity magnesium lithospermate B and preparation method therefor
    Patent number: 10259798
    Abstract: The present invention relates to a method for preparing magnesium lithospermate B. The method is characterized in that: magnesium lithospermate B is extracted or purified from a Salvia miltiorrhiza plant material or a Salvia miltiorrhiza extract in the presence of an added magnesium salt. The present invention also relates to a high-purity magnesium lithospermate B product prepared by the method of the present invention, wherein the content of magnesium lithospermate B is more than 95% by weight.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: April 16, 2019
    Assignees: SHANGHAI INSTITUTE OF MATERIA MEDICA CHINESE ACADEMY OF SCIENCES, SHANGHAI GREEN VALLEY PHARMACEUTICAL CO., LTD.
    Inventors: Lijiang Xuan, Yiping Wang, Weibin Song, Chunguang Chen, Dingxiang Li, Xiaoyu Zhou, Yunlong Gu, Liang Hu, Jing Zhao, Wenwei Xu, Shumei Wang
  • HIGH-PURITY MAGNESIUM LITHOSPERMATE B AND PREPARATION METHOD THEREFOR
    Publication number: 20170137399
    Abstract: The present invention relates to a method for preparing magnesium lithospermate B. The method is characterized in that: magnesium lithospermate B is extracted or purified from a Salvia miltiorrhiza plant material or a Salvia miltiorrhiza extract in the presence of an added magnesium salt. The present invention also relates to a high-purity magnesium lithospermate B product prepared by the method of the present invention, wherein the content of magnesium lithospermate B is more than 95% by weight.
    Type: Application
    Filed: February 9, 2015
    Publication date: May 18, 2017
    Inventors: Lijiang Xuan, Yiping Wang, Weibin Song, Chunguang Chen, Dingxiang Li, Xiaoyu Zhou, Yunlong Gu, Liang Hu, Jing Zhao, Wenwei Xu, Shumei Wang