Patents by Inventor Venkata Balalji Boddu

Venkata Balalji Boddu 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 solifenacin succinate
    Patent number: 8772491
    Abstract: The present invention relates to a process for the preparation of Solifenacin succinate by condensing a compound of formula (IVb) with (RS)-3-quinuclidinol, wherein, R represents methyl, ethyl, isopropyl; to produce a diastereomeric mixture of (1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic acid (3RS)-1-azabicyclo[2.2.2]oct-3-yl ester, which is treated with succinic acid in a solvent or mixture of solvents to produce optically pure Solifenacin succinate, Formula (X).
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: July 8, 2014
    Assignee: Aurobindo Pharma Ltd
    Inventors: Anand Gopalkrishna Kamat, Joseph Prabahar Koilpillai, Naga Trinadhachari Ganala, Venkata Lakshmi Upputuri, Venkata Balalji Boddu, Sivakumaran Meenakshisunderam
  • NOVEL PROCESS FOR THE PREPARATION OF SOLIFENACIN SUCCINATE
    Publication number: 20130123502
    Abstract: The present invention relates to a process for the preparation of Solifenacin succinate by condensing a compound of formula (IVb) with (RS)-3-quinuclidinol, wherein, R represents methyl, ethyl, isopropyl; to produce a diastereomeric mixture of (1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic acid (3RS)-1-azabicyclo[2.2.2]oct-3-yl ester, which is treated with succinic acid in a solvent or mixture of solvents to produce optically pure Solifenacin succinate, Formula (X).
    Type: Application
    Filed: June 20, 2011
    Publication date: May 16, 2013
    Inventors: Anand Gopalkrishna Kamat, Joseph Prabahar Koilpillai, Naga Trinadhachari Ganala, Venkata Lakshmi Upputuri, Venkata Balalji Boddu, Sivakumaran Meenakshisunderam