Patents by Inventor Venkata vara prasada rao Korrapati

Venkata vara prasada rao Korrapati 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 the preparation of Irbesartan
    Patent number: 8106216
    Abstract: The present invention relates to an improved process for the preparation of 2-n-butyl-3-[[2?-(1H-tetrazol-5-yl)[1,1?-biphenyl]-4-yl]-1,3-diazaspiro[4.4]non-1-en-4-one (Irbesartan).
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: January 31, 2012
    Assignee: Aurobindo Pharma Ltd.
    Inventors: Venkata vara prasada rao Korrapati, Venkata subramanyeswara rao Inti, Rani Ananta, Ramesh Dandala, Sivakumaran Meenakshisunderam
  • Process for the Preparation of Irbesartan
    Publication number: 20100056797
    Abstract: The present invention relates to an improved process for the preparation of 2-n-butyl-3-[[2?-(1H-tetrazol-5-yl)[1,1?-biphenyl]-4-yl]-1,3-diazaspiro[4.
    Type: Application
    Filed: April 23, 2007
    Publication date: March 4, 2010
    Inventors: Venkata vara prasada rao Korrapati, Venkata subramanyeswara rao Inti, Rani Ananta, Ramesh Dandala, Sivakumaran Meenakshisunderam