Patents by Inventor Koilpillai Joseph Prabahar

Koilpillai Joseph Prabahar 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 PREPARATION OF ESOMEPRAZOLE MAGNESIUM
    Publication number: 20110207779
    Abstract: The present invention relates to a process for the preparation of esomeprazole magnesium containing R-isomer greater than about 0.1% by wt. In particular, the present invention relates to a process for the preparation of esomeprazole magnesium dihydrate containing R-isomer greater than about 0.1% by wt.
    Type: Application
    Filed: April 28, 2010
    Publication date: August 25, 2011
    Applicant: GLENMARK GENERICS LTD
    Inventors: Koilpillai Joseph Prabahar, Veerabhadra Swamy Hiremath, Milind Moreshwar Gharpure, Nagan Nirmalan Kandaswamy, Avekumar Digambar Dabe, Kamal Mehta, Pankajkumar Shinde
  • 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 pure Finasteride
    Patent number: 7164022
    Abstract: The present invention relates to an improved process for the preparation of pure Finasteride of Formula I, which comprises converting dihydrofinasteride to finasteride through novel protected dihydrofinasteride and protected finasteride intermediates.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: January 16, 2007
    Assignee: Aurobindo Pharma Ltd.
    Inventors: Ramesh Dandala, Divvela Venkata Naga Srinvasa Rao, Koilpillai Joseph Prabahar, Gollapalli Venkateswara Rao, Meenakshisunderam Sivakumaran