Patents by Inventor Darmesh Mahendrabhai Shah

Darmesh Mahendrabhai Shah 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 preparation of pyrazole derivatives
    Patent number: 8431609
    Abstract: A process for preparation of Pyrazole derivatives adapted for one pot reaction involving the use of a pyclizing agent and involving the step of amidation in the presence of a catalyst. The steps for isolation and purification of found Pyrazole derivatives are also disclosed.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: April 30, 2013
    Inventors: Darmesh Mahendrabhai Shah, Guruprasad Wader
  • PROCESS FOR PREPARATION OF PYRAZOLE DERIVATIVES
    Publication number: 20100190988
    Abstract: A process for preparation of Pyrazole derivatives adapted for one pot reaction involving the use of a pyclizing agent and involving the step of amidation in the presence of a catalyst. The steps for isolation and purification of found Pyrazole derivatives are also disclosed.
    Type: Application
    Filed: April 30, 2007
    Publication date: July 29, 2010
    Inventors: Darmesh Mahendrabhai Shah, Guruprasad Wader