Patents by Inventor Kanhaiya Lal

Kanhaiya Lal 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).

  • Process for preparing quetiapine fumarate
    Patent number: 7687622
    Abstract: Provided is a novel synthesis of quetiapine, and pharmaceutically acceptable salts thereof, in which an alkali metal halide or siliyl halide is included in the reaction mixture.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: March 30, 2010
    Assignee: Teva Pharmaceutical Industries, Ltd
    Inventors: Vinod Kumar Kansal, Kanhaiya Lal, Suhail Ahmad, David Leonov
  • Process for preparing quetiapine fumarate
    Publication number: 20080241949
    Abstract: Provided is an improved synthesis of quetiapine and pharmaceutically acceptable salts.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 2, 2008
    Inventors: Vinod Kumar Kansal, Suhail Ahmad, Kanhaiya Lal, Bhatu Tumba Patil
  • Process for preparing quetiapine fumarate
    Publication number: 20060276641
    Abstract: Provided is a novel synthesis of quetiapine, and pharmaceutically acceptable salts thereof, in which an alkali metal halide or siliyl halide is included in the reaction mixture.
    Type: Application
    Filed: April 14, 2006
    Publication date: December 7, 2006
    Inventors: Vinod Kansal, Kanhaiya Lal, Suhail Ahmad, David Leonov