Patents by Inventor Shufei Zhuang

Shufei Zhuang 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: 6596321
    Abstract: This invention relates to a pharmaceutical composition used for treating cardiovascular diseases and a method for preparing it. The pharmaceutical composition mainly contains polysacchrides, saponins and amino acids extracted from Radix ginseng, Radix ophiopogonis and Fructus schisandrae chinensis. The method of preparing it includes the following steps: Radix ginseng, Radix ophiopogonis and Fructus schisandrae chinensis are decocted together in water; water extract or eluate is precipitated with alcohol or acetone, treated with macroporous adsorption resin and with ion exchange resin, and then separated to obtain pharmaceutical composition containing effective fractions of polysacchrides, saponins and amino acids. The above mentioned pharmaceutical composition can be formed into various preparations by mixing with any pharmaceutically acceptable auxiliary materials.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: July 22, 2003
    Assignees: China Pharmaceutical University, Ningbo Asia-Pacific Biotechnology Ltd.
    Inventors: Yongqing Yan, Minghui Tang, Danni Zhu, Shufei Zhuang