Patents by Inventor Pravin Bhalchandra Kulkarni

Pravin Bhalchandra Kulkarni 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 STRONTIUM RANELATE
    Publication number: 20120123131
    Abstract: The present invention relates to an improved process for the synthesis of strontium ranelate or hydrates thereof. More particularly, the present invention relates to an effective process for the preparation of a compound of formula III, which is a useful intermediate in the synthesis of strontium ranelate. wherein R1 and R2 represents substituted or unsubstituted linear or branched C1-C6 alkyl group or C3-C12 cyclic group.
    Type: Application
    Filed: August 8, 2009
    Publication date: May 17, 2012
    Inventors: Koilpillai Joseph Prabahar, Pravin Bhalchandra Kulkarni, Prashant Bhaskarrao Patil, Kapil Ramesh Hire
  • PROCESS FOR THE PURIFICATION OF ESLICARBAZEPINE ACETATE
    Publication number: 20120022047
    Abstract: The present invention relates to the purification and particle size of eslicarbazepine acetate. The present invention also relates to the physical characteristics of solid state eslicarbazepine acetate, and pharmaceutical compositions containing the same.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 26, 2012
    Applicant: GLENMARK GENERICS LTD
    Inventors: Joseph Prabahar Koilpillai, Pravin Bhalchandra Kulkarni, Sachin Bapurao Sawant, Nagesh Devidasrao Limbekar
  • PROCESS FOR THE PREPARATION OF PALIPERIDONE INTERMEDIATES
    Publication number: 20110087024
    Abstract: The present invention relates to a process for the preparation of 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one; and its use in the synthesis of paliperidone.
    Type: Application
    Filed: April 20, 2009
    Publication date: April 14, 2011
    Applicant: GLENMARK HOUSE
    Inventors: Koilpillai Joseph Prabahar, Pravin Bhalchandra Kulkarni, Laxmikant Madhukar Kelkar, Sanjay Anantha Kale, Shashank Gopal Potdar, Krishna Baban Narwade, Mubeen Ahmed Khan, Jitendra Ramakant Thorat
  • Process for the preparation of a crystalline form of (S)-N [[3-(3-fluoro-4(4-morpholinyl) phenyl]-2-oxo-5-oxazolidinyl] methyl] acetamide
    Patent number: 7649096
    Abstract: A process for preparing a crystalline form of linezolid is provided comprising (a) providing a solution comprising linezolid in an organic solvent having a boiling point of less than or equal to about 150° C.; (b) adding an anti-solvent having a boiling point greater than or equal to about 50° C. to the solution; and (c) recovering the crystalline form of linezolid.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: January 19, 2010
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Siva Kumar, Pravin Bhalchandra Kulkarni, Girish Bansilal Patel, Nitin Sharad Chandra Pradhan
  • Esomeprazole Strontium Salt, Process For Its Preparation and Pharmaceutical Compositions Containing Same
    Publication number: 20090298884
    Abstract: A strontium salt of esomeprazole is provided. A process for preparing a strontium salt of esomeprazole is also provided comprising reacting esomeprazole free base or a sodium, potassium or lithium salt of esomeprazole with a strontium source in one or more solvents.
    Type: Application
    Filed: May 2, 2006
    Publication date: December 3, 2009
    Applicant: GLENMARK GENERICS LTD.
    Inventors: Shekhar Bhaskar Bhirud, Nitin Sharad Chandra Pradhan, Bobba Venkata Siva Kumar, Pravin Bhalchandra Kulkarni