Patents by Inventor Zi-Oiang Gu

Zi-Oiang Gu 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).

  • Donepezil pamoate, method of preparation and use thereof
    Patent number: 9353059
    Abstract: The composition containing a pamoate salt of donepezil, the method of preparation and the use thereof are disclosed.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: May 31, 2016
    Inventor: Zi-Oiang Gu