Method for nitrogen trifluoride production

Details Method for nitrogen trifluoride production Method for nitrogen trifluoride production

2006-01-10

2006-01-10

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C423S483000

Reexamination Certificate

active

06984366

ABSTRACT:
A method for the production of nitrogen trifluoride from a fluorine reactant and an ammonium ion source that is dispersed within a liquid phase reaction mixture containing one or more perfluorocarbon fluids is disclosed herein. In one embodiment, the fluorine reactant is introduced to the reaction mixture at a temperature that ranges from 90° C. to 120° C. In this embodiment, the percentage yield of nitrogen trifluoride may be about 80% or greater.

REFERENCES:
patent: 4091081 (1978-05-01), Woytek et al.
patent: 5637285 (1997-06-01), Coronell et al.
patent: 6183713 (2001-02-01), Tokunaga et al.
patent: 03170307 (1991-07-01), None
patent: 1307243 (1989-12-01), None
patent: WO 01/85603 (2001-11-01), None
European Seach Report 03026257.0-1218, dated Feb. 24, 2004.

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