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Synthesis and purification of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)

United States Patent

June 6, 2006
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A method to convert surplus nitroarene explosives (picric acid, ammonium picrate,) into TATB is described. The process comprises three major steps: conversion of picric acid/ammonium picrate into picramide; conversion of picramide to TATB through vicarious nucleophilic substitution (VNS) of hydrogen chemistry; and purification of TATB.
Mitchell; Alexander R. (Livermore, CA), Coburn; Michael D. (Santa Fe, NM), Lee; Gregory S. (San Ramon, CA), Schmidt; Robert D. (Livermore, CA), Pagoria; Philip F. (Livermore, CA), Hsu; Peter C. (Pleasanton, CA)
The Regents of the University of California (Oakland, CA)
10/ 910,659
August 2, 2004
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.