Patents by Inventor Deping Yi

Deping Yi 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).

  • Crystal entecavir, crystal entecavir formulation and methods for the preparation thereof
    Patent number: 9408849
    Abstract: The present invention relates to a pharmaceutical composition for treating hepatitis B virus infection comprising crystalline entecavir as the pharmaceutically active ingredient and one or more pharmaceutically acceptable excipients. The tablet and capsule of the pharmaceutical composition have improved stability compared to that of amorphous entecavir under the conditions of light, high temperature and high humidity.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: August 9, 2016
    Assignee: Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory
    Inventors: Deping Yi, Zhike Tian, Weidong Ye
  • CRYSTAL ENTECAVIR, CRYSTAL ENTECAVIR FORMULATION AND METHODS FOR THE PREPARATION THEREOF
    Publication number: 20140220120
    Abstract: The present invention relates to a pharmaceutical composition for treating hepatitis B virus infection comprising crystalline entecavir as the pharmaceutically active ingredient and one or more pharmaceutically acceptable excipients. The tablet and capsule of the pharmaceutical composition have improved stability compared to that of amorphous entecavir under the conditions of light, high temperature and high humidity.
    Type: Application
    Filed: April 4, 2014
    Publication date: August 7, 2014
    Applicant: Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory
    Inventors: Deping Yi, Zhike Tian, Weidong Ye
  • Crystal Entecavir Formulation And The Preparation Method Thereof
    Publication number: 20100221323
    Abstract: The present invention relates to a pharmaceutical composition for treating hepatitis B virus infection, comprising the crystal entecavir as pharmaceutically active ingredients and pharmaceutically acceptable excipients. The tablet and capsule of the pharmaceutical composition have more stronger stabilization than that of amorphous entecavir under conditions of lighting, high temperature and high humidity.
    Type: Application
    Filed: August 25, 2008
    Publication date: September 2, 2010
    Applicant: Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory
    Inventors: Deping Yi, Zhike Tian, Weidong Ye