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:
Nov. 14, 2000
Filed:
Dec. 28, 1999
Applicant:
Inventors:
Hitoshi Atobe, Kanagawa, JP;
Toraichi Kaneko, Kanagawa, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
4232391 ; 4232 / ; 502324 ; 502325 ; 502330 ; 502331 ; 502332 ; 502338 ; 502340 ; 502341 ; 502342 ; 502343 ; 502344 ; 502345 ; 502349 ; 502352 ; 502355 ;
Abstract
A process for decomposing nitrogen fluoride, comprising contacting gaseous nitrogen fluoride with a solid reactive agent for decomposition at 200.degree. C. or more to fix the fluorine component in the nitrogen fluoride to the reactive agent and at the same time control generation of nitrogen oxides, fluorocarbon and carbon monoxide as by-products, the reactive agent containing elemental carbon; aluminum compound, iron compound, manganese compound and/or alkaline earth metal; alkali metal compound; and nickel compound, tin compound and/or copper compound.