Patents by Inventor Janardhana Rao Vascuri

Janardhana Rao Vascuri 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: 11078167
    Abstract: The present invention provides an improved process for the preparation of Deferasirox of Formula-I substantially free from ‘hydrazino impurity’ by the condensation of 2-(2-hydrophenyl)-4H-1,3-benzoxazin-4-one of Formula-IV with 4-hydrazino benzoic acid of Formula-V in a polar solvent.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: August 3, 2021
    Assignee: Aurobindo Pharma Ltd
    Inventors: Hero Velladurai, Janardhana Rao Vascuri, Ravi Shankar Sathu, Sivakumaran Meenakshisunderam
  • Publication number: 20200207725
    Abstract: The present invention provides an improved process for the preparation of Deferasirox of Formula-I substantially free from ‘hydrazino impurity’ by the condensation of 2-(2-hydrophenyl)-4H-1,3-benzoxazin-4-one of Formula-IV with 4-hydrazino benzoic acid of Formula-V in a polar solvent.
    Type: Application
    Filed: July 2, 2018
    Publication date: July 2, 2020
    Applicant: Aurobindo Pharma Ltd.
    Inventors: Hero Velladurai, Janardhana Rao Vascuri, Ravi Shankar Sathu, Sivakumaran Meenakshiaunderam
  • Publication number: 20100190982
    Abstract: The present invention provides a process for preparing a stable crystalline solid of Lamivudine polymorphic Form I, which does not change to Form II during storage and pharmaceutical unit operations.
    Type: Application
    Filed: September 1, 2008
    Publication date: July 29, 2010
    Inventors: Janardhana Rao Vascuri, Ravinder Reddy Vennapureddy, Shankar Rama, Ramesh Dandala, Sivakumaran Meenakshisunderam