Patents by Inventor Joseph Prabahar Koilpillai

Joseph Prabahar Koilpillai 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).

  • Patent number: 11872234
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: January 16, 2024
    Assignee: Par Pharmaceutical, Inc.
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Patent number: 11779587
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: October 10, 2023
    Assignee: Par Pharmaceutical, Inc.
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Publication number: 20230285404
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Application
    Filed: September 9, 2022
    Publication date: September 14, 2023
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Publication number: 20230285407
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Application
    Filed: April 10, 2023
    Publication date: September 14, 2023
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Publication number: 20230285406
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Application
    Filed: December 30, 2022
    Publication date: September 14, 2023
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Patent number: 11717524
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: August 8, 2023
    Assignee: Par Pharmaceutical, Inc.
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Patent number: 11602537
    Abstract: The present disclosure relates to the field of synthesizing substantially pure varenicline and its intermediates. It also relates to the pharmaceutical compositions comprising varenicline and the method of use of these pharmaceutical compositions for smoking cessation.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: March 14, 2023
    Assignee: Par Pharmaceutical, Inc.
    Inventors: Joseph Prabahar Koilpillai, Sayuj Nath, Satish Patil, Somasundaram Muthuramalingam, Selvakumar Viruthagiri, Mohankumar Lakshmanan
  • Publication number: 20190194154
    Abstract: The present invention provides novel polymorphic forms of vortioxetine hydrobromide (I).
    Type: Application
    Filed: January 19, 2017
    Publication date: June 27, 2019
    Inventors: Virendra Kumar Agarwal, Joseph Prabahar Koilpillai, Abhay Subodhbhai Maheta, Rajesh Gangarambhai Rupala, Pankaj Chaganbhai Butani, Parag Vrujlal Ajudia, Chirag Mansukhbhai Jethva
  • Patent number: 9643976
    Abstract: The present invention relates to novel solvates of Darunavir of Formula I.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: May 9, 2017
    Assignee: Aurobindo Pharma Ltd.
    Inventors: Anand Gopalkrishna Kamat, Naga Trinadhachari Ganala, Venkata Balaji Boddu, Joseph Prabahar Koilpillai, Sivakumaran Meenaakshisunderam
  • Publication number: 20150141382
    Abstract: The present invention relates to novel solvates of Darunavir of Formula I.
    Type: Application
    Filed: January 11, 2013
    Publication date: May 21, 2015
    Inventors: Anand Gopalkrishna Kamat, Naga Trinadhachari Ganala, Venkata Balaji Boddu, Joseph Prabahar Koilpillai, Sivakumaran Meenaakshisunderam
  • 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
  • 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
  • Publication number: 20120028045
    Abstract: The present invention relates to processes for the preparation of indiplon and its polymorphic mixtures.
    Type: Application
    Filed: March 18, 2010
    Publication date: February 2, 2012
    Applicant: Glenmark Generics LTD
    Inventors: Joseph Prabahar Koilpillai, Sanjay Anantha Kale, Laxmikant Madhukar Kelkar, Sunil Sudhakar Zope, Mubeen Ahmed Khan
  • 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
  • Publication number: 20100274050
    Abstract: The present invention provides novel solid milnacipran in crystalline form-G and a process for its preparation. The present invention also provides a process for the preparation of milnacipran hydrochloride from the novel solid crystalline milnacipran.
    Type: Application
    Filed: July 6, 2009
    Publication date: October 28, 2010
    Applicant: Glenmark Generics Limited
    Inventors: Joseph Prabahar KOILPILLAI, Pravin Chhaburao THOMBRE, Sudam Nanabhau SINARE, Mubeen Ahmed KHAN
  • Publication number: 20100267959
    Abstract: The present invention relates to a process for the preparation of esomeprazole magnesium dihydrate, specifically, esomeprazole magnesium crystalline dihydrate form A; and pharmaceutical compositions thereof.
    Type: Application
    Filed: July 8, 2009
    Publication date: October 21, 2010
    Applicant: Glenmark Generics Limited
    Inventors: Joseph Prabahar KOILPILLAI, Pravin Bhalchandra Kulkami, Avikumar Digambar Dabe, Mubeen Ahmed Khan
  • Publication number: 20090069562
    Abstract: An improved process for the preparation of N-[3-[(4-amino-6,7-dimethoxy-2-quinazolinyl)methylamino]propyl]tetrahydrofuran-2-carboxamide of Formula (I), by reacting N1-(4-amino-6,7-dimethoxyquinazolin-2-yl)-N1-methyl propane-1,3-diamine (V) with tetrahydrofuran-2-carboxylic acid or its reactive derivative in a solvent.
    Type: Application
    Filed: December 11, 2006
    Publication date: March 12, 2009
    Inventors: Joseph Prabahar Koilpillai, Magesh Subramanian, Uppalalah Mallela, Sivakumaran Meenakshlsunderam