Patents by Inventor Narendra Shriram Joshi

Narendra Shriram Joshi 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).

  • NOVEL QUERCETIN DERIVATIVES AS ANTI-CANCER AGENTS
    Publication number: 20110034413
    Abstract: The present invention provides novel Quercetin derivatives of formula (I) and pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R1 is hydrogen, benzyl or substituted benzyl; R2 is hydrogen, benzyl or substituted benzyl, linear or branched (C1-C6) alkyl, substituted alkyl, aryl, substituted aryl, heterocycle and substituted heterocycle, useful for treatment of various disorders including cancer, multi-drug resistant cancers, viral infections etc. The invention also provides a process for the preparation of compounds of formula (I) and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: August 8, 2008
    Publication date: February 10, 2011
    Inventors: Narendra Shriram Joshi, Pawan Aggarwal, Vitthalbhai Ketan Hirpara, Manu Jaggi, Anu Singh, Anshumali Awasthi, Ritu Verma
  • Process for the preparation of an optically active 5H-pyrrolo [3,4-B] pyrazine derivative
    Patent number: 7863273
    Abstract: A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: January 4, 2011
    Assignee: Glenmark Generics Ltd.
    Inventors: Biju Kumar Gopinathen Pillai, Sankar Arjunan, Nitin Sharad Chandra Pradhan, Narendra Shriram Joshi
  • Process For The Preparation of an Optically Active 5H-Pyrrolo [3,4-B] Pyrazine Derivative
    Publication number: 20090054441
    Abstract: A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.
    Type: Application
    Filed: December 29, 2006
    Publication date: February 26, 2009
    Inventors: Biju Kumar Gopinathen Pillai, Sankar Arjunan, Nitin Sharad Chandra Pradhan, Narendra Shriram Joshi
  • Process for the preparation of perindopril
    Patent number: 7291745
    Abstract: A process for preparing perindopril is provided comprising condensing an N-[(S)-1-carbethoxybutyl]-(S)-alanyl halide of formula II: wherein X is a halide with an (2S,3aS,7aS)-2-carboxyperhydroindole of formula III: wherein R is hydrogen or a protecting group.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: November 6, 2007
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Narendra Shriram Joshi, Shekhar Bhaskar Bhirud, Kodali Eswara Rao, Buddhavarapu Pattabhi Ramam, Vijay Soni