Patents by Inventor Nitin Sharad Pradhan

Nitin Sharad Pradhan 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).

  • Subtantially pure ropinirole hydrochloride, polymorphic form of ropinirole and process for their preparation
    Publication number: 20070254941
    Abstract: Ropinirole hydrochloride substantially free of impurities and a process for its preparation is provided. Also provided is ropinirole base substantially in polymorph Form A and a process for its preparation. Pharmaceutical compositions containing the same are also provided.
    Type: Application
    Filed: April 20, 2007
    Publication date: November 1, 2007
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Kumar, Sanjay Kale, Ajay Audi, Nitin Sharad Pradhan
  • Substantially pure olmesartan medoxomil and processes for its preparation
    Publication number: 20070105923
    Abstract: A process for purifying olmesartan medoxomil is provided comprising (a) dissolving olmesartan medoxomil in a solvent system comprising a ketone and at least one solvent selected from the group consisting of an alcohol-containing solvent, an ester-containing solvent and mixtures thereof to obtain a solution; and (b) recovering substantially pure olmesartan medoxomil. Also disclosed is substantially pure olmesartan medoxomil and pharmaceutical compositions containing same.
    Type: Application
    Filed: September 14, 2006
    Publication date: May 10, 2007
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Siva Kumar, Sanjay Kale, Raju Choudhari, Nitin Sharad Pradhan
  • Amorphous rizatriptan benzoate
    Publication number: 20070105927
    Abstract: Rizatriptan benzoate in an amorphous form is disclosed. Also disclosed is a process for preparing rizatriptan benzoate substantially in amorphous form comprising the steps of (a) preparing a solvent solution comprising non-amorphous rizatriptan benzoate and one or more solvents capable of dissolving the non-amorphous rizatriptan benzoate; and (b) recovering the amorphous form of rizatriptan benzoate from the solution.
    Type: Application
    Filed: October 20, 2006
    Publication date: May 10, 2007
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Ramasubramanian Sridharan, Samir Naik, Bhupesh Aher, Nitin Sharad Pradhan
  • Process for the preparation of a crystalline form of (S)-N [[3-(3-fluoro-4-(4-morpholinyl) phenyl]-2-oxo-5-oxazolidinyl] methyl] acetamide
    Publication number: 20070015753
    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: Application
    Filed: July 17, 2006
    Publication date: January 18, 2007
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Kumar, Pravin Kulkarni, Girish Patel, Nitin Sharad Pradhan
  • Polymorphic form of olmesartan and process for its preparation
    Publication number: 20060281800
    Abstract: A process for the preparation of a novel crystalline polymorph of olmesartan medoxomil, designated Form G, is provided comprising the steps of (a) preparing a solution comprising olmesartan medoxomil and one or more solvents selected from the group consisting of a nitrile, alcohol and mixtures thereof at a suitable temperature to obtain a solution; and (b) recovering olmesartan medoxomil substantially in polymorph Form G from the solution. A novel polymorph Form G of olmesartan medoxomil and pharmaceutical compositions containing same are also provided herein.
    Type: Application
    Filed: April 12, 2006
    Publication date: December 14, 2006
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Kumar, Girish Patel, Nitin Sharad Pradhan, Shekhar Bhirud