The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9643937 B1

PDF
Full Text
Expired
Date of Patent:
May. 09, 2017

Filed:

Mar. 31, 2016
Applicant:

The United States of America As Represented BY the Secretary of the Army, Washington, DC (US);

Inventors:

Reddy S. Damavarapu, Hackettstown, NJ (US);

Raja G. Duddu, Hackettstown, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 257/04 (2006.01);
U.S. Cl.
CPC ...
C07D 257/04 (2013.01);
Abstract

A one-pot process for preparing ammonium and hydroxylammonium salts of bis 5,5'-tetrazole-1,1′-dihydroxide, specifically, diammonium bis 5,5′-tetrazole-1,1′-diolate (ABTOX) and dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50). The process requires the reaction of sodium azide, dichloroglyoxime, HCl in dioxane solution to form bis 5,5′-tetrazole-1,1′-dihydroxide and treating this product with either ammonium chloride to produce ABTOX or hydroxylamine hydrochloride to produce TKX-50.


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Damavarapu, Reddy. (2017). One-pot process for preparation of ammonium and hydroxyl ammonium derivatives of bis 5,5'-tetrazole-1,1′-dihydroxide (U.S. Patent No. 9643937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9643937

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