Patents by Inventor Vinayak Vasantrao Khairnar

Vinayak Vasantrao Khairnar 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).

  • Pyrazolo (3, 4-B) pyridine derivatives as phosphodiesterase inhibitors
    Patent number: 8420666
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: April 16, 2013
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Mandadapu Raghu Ramaiah, Venkata P. Palle, Sarala Balachandran, Atul Kondaskar, Manohar Salla, Abhijit Ray, Sunanda G. Dastidar, Lalitha Vijaykrishnan
  • PYRAZOLO [3, 4-B] PYRIDINE DERIVATIVES AS PHOSPHODIESTERASE INHIBITORS
    Publication number: 20110130403
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Application
    Filed: March 13, 2008
    Publication date: June 2, 2011
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Mandadapu Raghuramaiah, Vinayak Vasantrao Khairnar, Venkata P. Palle, Sarala Balachandran, Abhijit Ray, Sunada G. Dastidar, Lalitha Vijaykrishnan
  • Substituted pyrazolo [3,4-b] pyridines as phosphodiesterase inhibitors
    Patent number: 7915286
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and their use as PDE type IV selective inhibitors are provided. Prepared compounds correspond to structure XIV Formula (XIV).
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: March 29, 2011
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Mandadapu Raghuramaiah, Abhijit Ray, Sunanda Ghose Dastidar
  • INHIBITORS OF PHOSPHODIESTERASE TYPE-IV
    Publication number: 20110021473
    Abstract: The present invention relates to catechol derivatives of formula (I), which can be used as inhibitors of phosphodiesterase (PDPI) type 4 or type 7, Compounds disclosed herein can be useful in the treatment of CNS disorders, inflammatory diseases such as, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type 4 or type 7 inhibitors.
    Type: Application
    Filed: September 22, 2007
    Publication date: January 27, 2011
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Saswati Chakladar, Mandadapu Raghu Ramaiah, Nagarajan Muthukamal, Sarala Balachandran, Sarika Ramnani, Venkata P. Palle, Sunanda G. Dastidar, Abhijit Ray, Lalitha Vijaykrishan, Jitendra Sattigeri
  • PYRAZOLO (3, 4-B) PYRIDINE DERIVATIVES AS PHOSPHODIESTERASE INHIBITORS
    Publication number: 20100292196
    Abstract: The present invention relates to phosphodiesterase (PDE) type 4, phosphodiesterase (PDE) type 7 and dual PDE type 4/PDE type 7 inhibitors.
    Type: Application
    Filed: March 14, 2008
    Publication date: November 18, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sonali Rudra, Nidhi Gupta, Lalit Kumar Baregama, Ritu Agarwal, Vinayak Vasantrao Khairnar, Mandadapu Raghu Ramaiah, Venkata P. Palle, Sarala Balachandran, Atul Kondaskar, Manohar Salla, Abhijit Ray, Sunanda G. Dastidar, Lalitha Vijaykrishnan
  • PHOSPHODIESTERASE INHIBITORS
    Publication number: 20100029728
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Compounds disclosed herein can be useful in the treatment of CNS diseases, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds, and their use as PDE type IV selective inhibitors, are provided.
    Type: Application
    Filed: September 22, 2007
    Publication date: February 4, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Sonali Rudra, Venkata P. Palle, Sunanda G. Dastidar
  • SUBSTITUTED PYRAZOLO [3,4-B]PYRIDINES AS PHOSPHODIESTERASE INHIBITORS
    Publication number: 20100022571
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and their use as PDE type IV selective inhibitors are provided. Prepared compounds correspond to structure XIV.
    Type: Application
    Filed: September 18, 2006
    Publication date: January 28, 2010
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Mandadapu Raghuramaiah, Abhijit Ray, Sunanda Ghose Dastidar
  • SUBSTITUTED PYRAZOLO [3,4-B] PYRIDINES AS PHOSPHODIESTERASE INHIBITORS
    Publication number: 20090306129
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and their use as PDE type IV selective inhibitors are provided. Prepared compounds correspond to structure XIV Formula (XIV).
    Type: Application
    Filed: September 11, 2006
    Publication date: December 10, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Mandadapu Raghuramaiah, Abhijit Ray, Sunanda Ghose Dastidar
  • CONDENSED ISOXALINE DERIVATIVES AS INHIBITORS OF PHOSPHODIESTERASE TYPE - IV
    Publication number: 20090048247
    Abstract: The present invention relates to isoxazoline derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. In particular, compounds disclosed herein can be useful in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases in a patient, particularly in humans. The present invention also relates to processes for the preparation of disclosed compounds, as well as pharmaceutical compositions thereof, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: February 13, 2006
    Publication date: February 19, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Nagarajan Muthukamal, Mandadapu Raghu Ramaiah, Manoj Kumar Khera, Lailt Kumar Baregama, Vinayak Vasantrao Khairnar, Abhijit Ray, Sunanda G. Dastidar