Patents by Inventor Ranga Madhavan Gurram

Ranga Madhavan Gurram 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
  • Monocyclic compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them
    Patent number: 7157581
    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. More particularly, the present invention relates to novel ?-aryl-?-oxysubstituted alkylcarboxylic acids of the general formula (I), 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: December 7, 2005
    Date of Patent: January 2, 2007
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Monocyclic compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them
    Patent number: 7053217
    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. More particularly, the present invention relates to novel ?-aryl-?-oxysubstituted alkylcarboxylic acids of the general formula (I), 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: January 8, 2002
    Date of Patent: May 30, 2006
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Bicyclic compounds and their use in medicine; process for their preparation and pharmaceutical compositions containing them
    Patent number: 6846824
    Abstract: Compounds of formula (I) its tautomeric forms, its stereoisomers, its polymorphs, its pharmaceutically acceptable salts or its pharmaceutically acceptable solvates can be used to prevent or treat diabetes caused by insulin resistance or impaired glucose tolerance or complications of diabetes caused by insulin resistance or impaired glucose tolerance. The compounds can also be used to reduce cholesterol, body weight, blood glucose, triglycerides and free fatty acids in the blood.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: January 25, 2005
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rajagopalan Ramanujam, Ranjan Chakrabarti, Javed Iqbal, Ranga Madhavan Gurram
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: 6780992
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: August 24, 2004
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K.S. Pakala
  • Tricyclic compounds and their use in medicine; process for their preparation and pharmaceutical compositions containing them
    Patent number: 6608194
    Abstract: A compound of Formula (Ih) The compounds may be used, inter alia, for preparing beta aryl-alpha-oxy substituted alkylcarboxylic acids.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: August 19, 2003
    Assignee: Dr. Reddy's Laboratories Limited
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: 6573268
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: June 3, 2003
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K. S. Pakala
  • Tricyclic compounds and their use in medicine process for their preparation and pharmaceutical compositions containing them
    Patent number: 6548666
    Abstract: A compound of Formula (Ig) The compounds may be used, inter alia, for preparing beta aryl-alpha-oxy substituted alkylcarboxylic acids.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: April 15, 2003
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram
  • Novel heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Publication number: 20020123502
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Application
    Filed: December 26, 2001
    Publication date: September 5, 2002
    Applicant: DR. REDDY'S RESEARCH FOUNDATION & REDDY-CHEMINOR, INC.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K.S. Pakala
  • Tricyclic compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them
    Patent number: 6440961
    Abstract: A compound of formula (1) it derivatives, its analogs, its tautomeric forms, its stereoisomers, its polymorphs, its pharmaceutically acceptable salts, or its pharmaceutically acceptable solvates, processes for its preparation and methods of use thereof.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: August 27, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Braj Bhushan Lohray, Vidya Bhushan Lohray, Ashok Channaveerappa Bajji, Shivaramayya Kalchar, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti
  • New monocyclic compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them
    Publication number: 20020103215
    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: Application
    Filed: January 8, 2002
    Publication date: August 1, 2002
    Applicant: DR. REDDY'S RESEARCH FOUNDATION & REDDY-CHEMINOR, INC.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Heterocyclic compounds, process for their preparation and pharmaceutical compounds containing them and their use in the treatment of diabetes and related diseases
    Patent number: 6372750
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: April 16, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K. S. Pakala
  • Monocyclic compounds and their use in medicine: process for their preparation and pharmaceutical compositions containing them
    Patent number: 6369067
    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. More particularly, the present invention relates to novel &bgr;-aryl-&agr;-oxysubstituted alkylcarboxylic acids of the general formula (I), 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: February 18, 2000
    Date of Patent: April 9, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: 6310069
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: October 30, 2001
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K. S. Pakala
  • Novel heterocyclic compounds, process for their preparation and pharmaceutical compounds containing them and their use in the treatment of diabetes and related diseases
    Publication number: 20010031759
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Application
    Filed: April 5, 2001
    Publication date: October 18, 2001
    Applicant: DR. REDDY'S RESEARCH FOUNDATION & REDDY- CHEMINOR, INC.
    Inventors: Dya Bhushan Lohray, Raj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K.S. Pakala
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: 6114526
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: September 5, 2000
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K.S. Pakala
  • Heterocyclic compounds having antidiabetic hypolipidemic antihypertensive properties process for their preparation and pharmaceutical compositions containing them
    Patent number: 6011036
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their analogues, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione compounds of the general formula (I), and their analogues, their derivatives, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 4, 2000
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: 5985884
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: November 16, 1999
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor Inc.
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K. S. Pakala
  • Heterocyclic compounds, process for their preparation and pharmaceutical compositions containing them and their use in the treatment of diabetes and related diseases
    Patent number: RE39266
    Abstract: The present invention relates to novel antidiabetic compounds, their tautomeric forms, their derivatives, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel azolidinedione derivatives of the general formula (I), and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: September 5, 2006
    Assignee: Dr. Reddy's Laboratories, Limited
    Inventors: Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli, Ranga Madhavan Gurram, Rajagopalan Ramanujam, Ranjan Chakrabarti, Sarma K. S. Pakala