Patents by Inventor Shuiying ZHANG

Shuiying ZHANG 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).

  • Method for determining content of menthol in preparation of traditional Chinese medicine composition
    Patent number: 11333637
    Abstract: A method for determining the content of menthol in a traditional Chinese medicine composition. The traditional Chinese medicine composition consists of the following medicinal materials: Fructus Forsythia, Flos Lonicerae, Radix Isatidis, Semen Armeniacae Amarum, menthol, Herba Houttuyniae, rheum, Herba Pogostemonis, Rhizoma Dryopteris Crassirhizomae, Rhodiola rosea L., Herba Ephedrae, Radix Glycyrrhizae and gypsum. In the method for determining the content, the content of the menthol in the composition is determined by gas chromatography to effectively control the content of menthol in the composition, and the method can save energy and reduce the costs for analysis.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 17, 2022
    Assignee: SHIJIAZHUANG YILING PHARMACEUTICAL CO., LTD.
    Inventors: Shuiying Zhang, Dan Bi, Yupeng Chen, Qian Zhao
  • METHOD FOR DETERMINING CONTENT OF MENTHOL IN PREPARATION OF TRADITIONAL CHINESE MEDICINE COMPOSITION
    Publication number: 20210285918
    Abstract: A method for determining the content of menthol in a traditional Chinese medicine composition. The traditional Chinese medicine composition consists of the following medicinal materials: Fructus Forsythia, Flos Lonicerae, Radix Isatidis, Semen Armeniacae Amarum, menthol, Herba Houttuyniae, rheum, Herba Pogostemonis, Rhizoma Dryopteris Crassirhizomae, Rhodiola rosea L., Herba Ephedrae, Radix Glycyrrhizae and gypsum. In the method for determining the content, the content of the menthol in the composition is determined by gas chromatography to effectively control the content of menthol in the composition, and the method can save energy and reduce the costs for analysis.
    Type: Application
    Filed: November 3, 2017
    Publication date: September 16, 2021
    Inventors: Shuiying ZHANG, Dan BI, Yupeng CHEN, Qian ZHAO