Patents by Inventor Xuxin Li

Xuxin 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).

  • Patent number: 11266704
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising 80-85% of rutin. A preparation method comprises selecting a complex enzyme consisting of a specific composition and ratio of enzymes for enzymatic hydrolysis, extracting and concentrating by a macroporous resin, and separating and purifying by a macroporous resin. The extract has therapeutic effect on non-alcoholic fatty liver disease.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 8, 2022
    Assignee: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD.
    Inventors: Zhiliang Chen, Jinming Huang, Juan Yu, Fei Hong, Zhaoqiang Zhang, Xuxin Li
  • Patent number: 11219654
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising 80-85% of rutin. A preparation method comprises selecting a complex enzyme consisting of a specific composition and ratio of enzymes for enzymatic hydrolysis, extracting and concentrating by a macroporous resin, and separating and purifying by a macroporous resin. The extract has therapeutic effect on non-alcoholic fatty liver disease.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 11, 2022
    Assignee: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD.
    Inventors: Zhiliang Chen, Jinming Huang, Juan Yu, Fei Hong, Zhaoqiang Zhang, Xuxin Li
  • Patent number: 11185566
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising, in weight percent, 80-85% of rutin. A method for preparing the total flavonoid extract from Gynura formosana Kitam. comprises solvent extraction, complex enzymatic hydrolysis, and separation and purification by a macroporous resin. The total flavonoid extract from Gynura formosana Kitam. is used to prepare a drug or health product related to alcoholic fatty liver disease.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 30, 2021
    Assignee: Zhangzhou Pien Tze Huang Pharmaceutical Co., Ltd.
    Inventors: Zhiliang Chen, Jinming Huang, Fei Hong, Juan Yu, Zhiyi Luo, Xuxin Li
  • Publication number: 20200215141
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising 80-85% of rutin. A preparation method comprises selecting a complex enzyme consisting of a specific composition and ratio of enzymes for enzymatic hydrolysis, extracting and concentrating by a macroporous resin, and separating and purifying by a macroporous resin. The extract has therapeutic effect on non-alcoholic fatty liver disease.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 9, 2020
    Inventors: Zhiliang Chen, Jinming Huang, Juan Yu, Fei Hong, Zhaoqiang Zhang, Xuxin Li
  • Publication number: 20200215140
    Abstract: A total flavonoid extract from Gynura formosana Kitam., comprising, in weight percent, 80-85% of rutin. A method for preparing the total flavonoid extract from Gynura formosana Kitam. comprises solvent extraction, complex enzymatic hydrolysis, and separation and purification by a macroporous resin. The total flavonoid extract from Gynura formosana Kitam. is used to prepare a drug or health product related to alcoholic fatty liver disease.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 9, 2020
    Inventors: Zhiliang Chen, Jinming Huang, Fei Hong, Juan Yu, Zhiyi Luo, Xuxin Li