Patents by Inventor Biswajit Nag

Biswajit Nag 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).

  • Pyrimidone derivatives
    Patent number: 7365069
    Abstract: The present invention relates to novel pyrimidones of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: April 29, 2008
    Assignee: Bexel Pharmaceuticals Inc.
    Inventors: Shiv Kumar Agarwal, Ravikumar Tadiparthi, Pawan Aggarwal, Savithiri Shivakumar, Debendranath Dey, Biswajit Nag
  • Novel pyrimidon derivatives
    Publication number: 20040259891
    Abstract: The present invention relates to novel pyrimidones of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention more particularly novel pyrimidones of the general formula (I).
    Type: Application
    Filed: April 20, 2004
    Publication date: December 23, 2004
    Applicant: Orchid Chemical & Pharmaceuticals Limited
    Inventors: Shiv Kumar Agarwal, Ravikumar Tadiparthi, Pawan Aggarwal, Savithiri Shivakumar, Debendranath Dey, Biswajit Nag
  • Novel pyrimidone derivatives
    Publication number: 20030225075
    Abstract: The present invention relates to novel pyrimidone derivatives of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention more particularly provides novel pyrimidone derivatives of the general formula (I) and a method thereof.
    Type: Application
    Filed: April 9, 2003
    Publication date: December 4, 2003
    Applicant: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Shiv Kumar Agarwal, Ravikumar Tadiparthi, Pawan Aggarwal, Savithiri Shivakumar, Debendranath Dey, Biswajit Nag