Patents by Inventor Dan Fei

Dan Fei 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: 8821913
    Abstract: The present invention relates to a controlled release system, in particular to a controlled release system containing temozolomide.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: September 2, 2014
    Assignee: Tasly Holding Group Co., Ltd.
    Inventors: Yongfeng Wang, Dan Fei
  • Publication number: 20050244494
    Abstract: The present invention relates to a controlled release system, in particular to a controlled release system containing temozolomide.
    Type: Application
    Filed: September 29, 2003
    Publication date: November 3, 2005
    Inventors: Yongfeng Wang, Dan Fei