Patents by Inventor Huanwei ZHANG

Huanwei 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).

  • HPPH lyophilized powder injection for injection and preparation method thereof
    Patent number: 9717795
    Abstract: Disclosed are a HPPH lyophilized powder injection for injection and the preparation method thereof. The HPPH lyophilized powder injection contains HPPH, auxiliary solvents, solubilizing agents, excipients, and pH adjusting agents. The HPPH lyophilized powder injection is loose and has good resolubility, low moisture, and good stability.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: August 1, 2017
    Assignee: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
    Inventors: Chunrong Feng, Huanwei Zhang, Jianqiao Wang
  • HPPH LYOPHILIZED POWDER INJECTION FOR INJECTION AND PREPARATION METHOD THEREOF
    Publication number: 20150366965
    Abstract: Disclosed are a HPPH lyophilized powder injection for injection and the preparation method thereof. The HPPH lyophilized powder injection contains HPPH, auxiliary solvents, solubilizing agents, excipients, and pH adjusting agents. The HPPH lyophilized powder injection is loose and has good resolubility, low moisture, and good stability.
    Type: Application
    Filed: January 21, 2014
    Publication date: December 24, 2015
    Inventors: Chunrong FENG, Huanwei ZHANG, Jianqiao WANG