Patents by Inventor Xiaquan Zhang

Xiaquan 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).

  • LAMIVUDINE OXALATE AND PREPARATION METHOD THEREOF
    Publication number: 20130053560
    Abstract: Lamivudine oxalate, preparation method and crystalline forms thereof are disclosed. A preparation method of Lamivudine is also disclosed.
    Type: Application
    Filed: December 23, 2010
    Publication date: February 28, 2013
    Applicant: Jiangsu Chia Tai Tianqing Pharmaceutical Co., Ltd.
    Inventors: Yanlong LIU, Fei Liu, Xiaquan Zhang