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.:
Date of Patent:
Dec. 28, 1993
Filed:
May. 04, 1992
Eugene F Rothgery, North Branford, CT (US);
Francis W Migliaro, Jr, Waterbury, CT (US);
Olin Corporation, Cheshire, CT (US);
Abstract
The present invention relates to a novel compound which is the hydroxylammonium or lower alkyl hydroxylammonium salt of 3-nitro-1,2,4-triazol-5-one, together with processes for preparation thereof. One process comprises a two-step reaction comprising: (a) reacting 3-nitro-1,2,4-triazol-5-one with an aqueous alkali metal or alkaline earth metal hydroxide to form an aqueous solution of an alkali metal or alkaline earth metal salt of 3-nitro-1,2,4-triazol-5-one, and (b) reacting said alkali metal or alkaline earth metal salt of 3-nitro-1,2,4-triazol-5-one with an aqueous solution of hydroxylammonium salt or lower alkyl-substituted hydroxylammonium salt to form the hydroxylammonium salt of 3-nitro-1,2,4-triazol-5-one. Another process comprises (a) reacting an aqueous solution of a hydroxylammonium salt or lower alkyl-substituted hydroxylammonium salt with an alkali metal or alkaline earth metal hydroxide to form an aqueous solution of a hydroxylamine free base and (b) reacting said free base with an aqueous solution or slurry of 3-nitro-1,2,4-triazol-5-one at a temperature of between about 5.degree. C. and about 50.degree. C. and at atmospheric pressure.