Patents by Inventor Chakrabarti Ranjan

Chakrabarti Ranjan 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).

  • Substituted bicyclic heterocycles, process for their preparation and their use as antiobesity and hypocholesterolemic agents
    Patent number: 7348426
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: March 25, 2008
    Assignees: Dr. Reddy's Laboraties Limited, Dr. Reddy's Research Foundation
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Ranga Madhavan Gurram, Ramanujam Rajagopalan, Chakrabarti Ranjan
  • Novel compounds and their use in medicine,as antidiabetic and hypolipidemic agents, process for their preparation and pharmaceutical compositions containing them
    Publication number: 20070093476
    Abstract: The present invention relates to novel compounds of formula (I) and their pharmaceutically acceptable salts, wherein ring “Ar1” represents a monocyclic or polycyclic aromatic or partially saturated aromatic polycyclic, which may optionally contain up to 3 heteroatoms selected from N, S or O.
    Type: Application
    Filed: October 20, 2004
    Publication date: April 26, 2007
    Inventors: Bhunia Debnath, Ranga Gurram, Das Saibal Kumar, Iqbal Javed, Chakrabarti Ranjan, Kole Labanyamoy