Patents by Inventor Vamsee Krishna Chintakunta

Vamsee Krishna Chintakunta 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).

  • Process for the preparation of Dalteparin sodium
    Patent number: 11492421
    Abstract: The present invention provides an improved process for the preparation of Dalteparin sodium. The process is simple, commercially viable and industrially advantageous.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 8, 2022
    Inventors: Vamsee Krishna Chintakunta, Manohar Sarma Vedula, Narender Dev Mantena, Rajasekhar Kadaboina
  • IMPROVED PROCESS FOR THE PREPARATION OF DALTEPARIN SODIUM
    Publication number: 20210040239
    Abstract: The present invention provides an improved process for the preparation of Dalteparin sodium. The process is simple, commercially viable and industrially advantageous.
    Type: Application
    Filed: February 14, 2019
    Publication date: February 11, 2021
    Inventors: Vamsee Krishna Chintakunta, Manohar Sarma Vedula, Narender Dev Mantena, Rajasekhar Kadaboina
  • Kappa opioid receptor agonists
    Patent number: 9303027
    Abstract: The present invention relates to a series of substituted compounds having the general formula (I), including their stereoisomers and/or their pharmaceutically acceptable salts. (I) Wherein A, m, R1s, R2, R3, R4 are as defined herein. This invention also relates to methods of making these compounds including intermediates. The compounds of this invention are effective at the kappa (?) opioid receptor (KOR) site. Therefore, the compounds of this invention are useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of central nervous system disorders (CNS), including but not limited to acute and chronic pain, and associated disorders, particularly functioning peripherally at the CNS.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: April 5, 2016
    Assignees: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Pradip Kumar Sasmal, Vamsee Krishna Chintakunta, Vijay Potluri, Ish Kumar Khanna, Ashok Tehim, Mahaboobi Jaleel, Thomas Hogberg, Oystein Rist, Lisbeth Elster, Thomas Michael Frimurer, Lars-Ole Gerlach
  • KAPPA OPIOID RECEPTOR AGONISTS
    Publication number: 20130303525
    Abstract: The present invention relates to a series of substituted compounds having the general formula (I), including their stereoisomers and/or their pharmaceutically acceptable salts. (I) Wherein A, m, R1s, R2, R3, R4 are as defined herein. This invention also relates to methods of making these compounds including intermediates. The compounds of this invention are effective at the kappa (?) opioid receptor (KOR) site. Therefore, the compounds of this invention are useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of central nervous system disorders (CNS), including but not limited to acute and chronic pain, and associated disorders, particularly functioning peripherally at the CNS.
    Type: Application
    Filed: July 19, 2011
    Publication date: November 14, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY;S LABORATORIES LTD.
    Inventors: Pradip Kumar Sasmal, Vamsee Krishna Chintakunta, Vijay Potluri, Ish Kumar Khanna, Ashok Tehim, Mahaboobi Jaleel, Thomas Hogberg, Oystein Rist, Lisbeth Elster, Thomas Michael Frimurer, Lars-Ole Gerlach
  • Water soluble analogues of 20(S)-camptothecin
    Patent number: 6177439
    Abstract: Novel water soluble C-ring analogues of 20(S)-camptothecin having the general formula 1, All the compounds of the formula 1 are prepared from the compounds of the general formula 2 having 20(S)-chiral carbon where R1 to R5 have the meaning given above. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: January 23, 2001
    Assignees: Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Subrahmanyam Duvvuri, Venkateswarlu Akella, Sharma Manohara Vedula, Sastry V. R. S. Thungathurthi, Vamsee Krishna Chintakunta, Shobha Madabhushi