Compositions – Compositions containing a single chemical reactant or plural... – Inorganic reactant other than sulfur containing
Patent
1997-06-26
2000-02-08
Lovering, Richard D.
Compositions
Compositions containing a single chemical reactant or plural...
Inorganic reactant other than sulfur containing
252192, 422168, 423240S, 502427, 588900, 588901, A62D 300, B01D 5370, C09K 300
Patent
active
060224894
ABSTRACT:
Fluorocarbons including perfluorocarbons and hydrofluorocarbons are highly efficiently decomposed by contacting a gaseous fluorocarbon with a reagent comprising carbon and an alkaline earth metal or carbon, an alkaline earth metal and an alkali metal at an elevated temperature, the decomposed halogen being fixed to the reagent.
REFERENCES:
patent: 1207273 (1916-12-01), Cadman
patent: 2395842 (1946-03-01), Borgstrom
patent: 4070300 (1978-01-01), Moroni et al.
patent: 4631183 (1986-12-01), Lalancette et al.
patent: 5702594 (1997-12-01), Yamasaki et al.
Atobe Hitoshi
Ito Kazuto
Izumikawa Chiaki
Kaneko Toraichi
Tezuka Kazumasa
Dowa Iron Powder Co., Ltd.
Dowa Mining Co. Ltd.
Lovering Richard D.
Showa Denko K.K.
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