US Patent 11078167 Process for the preparation of Deferasirox

Patent 11078167 was granted and assigned to Aurobindo Pharma on August, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Aurobindo Pharma

Current Assignee

Aurobindo Pharma

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

110781670

Patent Inventor Names

Sivakumaran Meenakshisunderam0

Janardhana Rao Vascuri0

Ravi Shankar Sathu0

Hero Velladurai0

Date of Patent

August 3, 2021

Patent Application Number

201807020

Date Filed

July 2, 2018

Patent 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.