Patents by Inventor Tang Wensheng

Tang Wensheng 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).

  • Palonosetron salts and processes for preparation and purification thereof
    Patent number: 8334388
    Abstract: Provided are novel salts of 2-(1-azabicyclo-[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benz[de]isoquinolin-1-one, methods of using such salts, and processes for producing such salts.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: December 18, 2012
    Assignee: Chemagis Ltd.
    Inventors: Tang Wensheng, Zhang Xingzhong, He Xungui, Yuan Wang, Joseph Kaspi
  • NOVEL PALONOSETRON SALTS AND PROCESSES FOR PREPARATION AND PURIFICATION THEREOF
    Publication number: 20100174080
    Abstract: Provided are novel salts of 2-(1-azabicyclo-[2.2.
    Type: Application
    Filed: May 28, 2008
    Publication date: July 8, 2010
    Applicant: CHEMAGIS LTD.
    Inventors: Tang Wensheng, Zhang Xingzhong, He Xungui, Yuan Wang, Joseph Kaspi