Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-12-27
1979-10-09
Dees, Carl
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
423245, 423328, B01J 2906, B01J 800, C10H 2300
Patent
active
041705718
ABSTRACT:
A unique class of copper zeolite combustion catalysts which are both highly siliceous and contain an extraordinary amount of zeolitic divalent copper cations which are prepared by ion exchanging the predominantly alkali metal cation form of ZSM-5 type zeolites with divalent copper cations and subjecting the resulting compositions to rigorous oxidation.
REFERENCES:
patent: 3026172 (1962-03-01), Hirschbeck et al.
patent: 3065056 (1962-11-01), Geets et al.
patent: 3178365 (1965-04-01), Miale
patent: 3341603 (1967-09-01), Leaman
patent: 3365498 (1968-01-01), Bryant et al.
patent: 3497462 (1970-02-01), Kruerke
patent: 3649177 (1972-03-01), Rosback
patent: 3728408 (1973-04-01), Tobias
patent: 4034065 (1977-07-01), Kasai et al.
Dees Carl
Miller Richard G.
Union Carbide Corporation
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