Patents by Inventor Harinath Chakrapani

Harinath Chakrapani 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).

  • Patent number: 9205091
    Abstract: Disclosed is a method of treating cancer in a patient comprising administering to the patient an effective amount of a diazeniumdiolated (N2O2-containing) compound or a pharmaceutically acceptable salt thereof, wherein the cancer cell has an elevated level of reactive oxygen species (ROS) and/or a decreased level of one or more of PRX1, PRX6, and OGG1, compared to a normal cell of the same tissue or tissue type. An example of a diazeniumdiolated compound is Formula (I), wherein X and Q are defined herein. Also disclosed are diazeniumdiolated compounds, pharmaceutical compositions, and methods of use including enhancing the chemotherapeutic treatment of chemotherapeutic agents and high energy radiation.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: December 8, 2015
    Assignee: The United States of America, as represented by the Secretary Department of Health and Human Services
    Inventors: Anna E. Maciag, Larry K. Keefer, Joseph E. Saavedra, Lucy M. Anderson, Harinath Chakrapani
  • Patent number: 9079870
    Abstract: Disclosed herein are thiol mediated/activated prodrugs of SO2, particularly 2,4-dinitrophenylsulfonamide analogs, having Formula-I or pharmaceutically acceptable salts thereof exhibiting tunable release profiles of SO2 with significant therapeutic efficacy against bacterial infections. Further, the present invention provides pharmaceutical compositions comprising compound of Formula I or pharmaceutically acceptable salts thereof, along with pharmaceutically acceptable carriers/excipients.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: July 14, 2015
    Assignee: Indian Institute of Science Education and Research-Pune
    Inventors: Harinath Chakrapani, Satish Ramesh Malwal
  • Publication number: 20140121211
    Abstract: Disclosed herein are thiol mediated/activated prodrugs of SO2, particularly 2,4-dinitrophenylsulfonamide analogues, having Formula-I or pharmaceutically acceptable salts thereof exhibiting tunable release profiles of SO2 with significant therapeutic efficacy against bacterial infections. Further, the present invention provides pharmaceutical compositions comprising compound of Formula I or pharmaceutically acceptable salts thereof, along with pharmaceutically acceptable carriers/excipients.
    Type: Application
    Filed: November 30, 2012
    Publication date: May 1, 2014
    Applicant: INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH -PUNE
    Inventors: Harinath CHAKRAPANI, Satish Ramesh Malwal
  • Patent number: 8598368
    Abstract: C-nitroso compound capable of releasing neutral nitric oxide is made stable by forming a Diels Alder adduct thereof which is functionalized at the Diels-Alder double bond to impart the stability. Treatment of the stabilized adduct with agent that removes functionalization and regenerates Diels Alder double bond triggers delivery of neutral nitric oxide via retro Diels-Alder reaction and homolytic scission.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: December 3, 2013
    Assignee: Duke University
    Inventors: Eric J. Toone, Harinath Chakrapani
  • Publication number: 20120238518
    Abstract: Disclosed is a method of treating cancer in a patient comprising administering to the patient an effective amount of a diazeniumdiolated (N2O2-containing) compound or a pharmaceutically acceptable salt thereof, wherein the cancer cell has an elevated level of reactive oxygen species (ROS) and/or a decreased level of one or more of PRX1, PRX6, and OGG1, compared to a normal cell of the same tissue or tissue type. An example of a diazeniumdiolated compound is Formula (I), wherein X and Q are defined herein. Also disclosed are diazeniumdiolated compounds, pharmaceutical compositions, and methods of use including enhancing the chemotherapeutic treatment of chemotherapeutic agents and high energy radiation.
    Type: Application
    Filed: November 12, 2010
    Publication date: September 20, 2012
    Applicant: The United States of America, as represented by the Secretary, Dept of Health and Human Services
    Inventors: Anna E. Maciag, Larry K. Keefer, Joseph E. Saavedra, Lucy M. Anderson, Harinath Chakrapani
  • Publication number: 20100184992
    Abstract: C-nitroso compound capable of releasing neutral nitric oxide is made stable by forming a Diels Alder adduct thereof which is functionalized at the Diels-Alder double bond to impart the stability. Treatment of the stabilized adduct with agent that removes functionalization and regenerates Diels Alder double bond triggers delivery of neutral nitric oxide via retro Diels-Alder reaction and homolytic scission.
    Type: Application
    Filed: April 16, 2008
    Publication date: July 22, 2010
    Applicant: Duke University
    Inventors: Eric J. Toone, Harinath Chakrapani