Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1974-04-15
1976-06-29
Meros, Edward J.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
C01B 3328
Patent
active
039668827
ABSTRACT:
An ultra thermal stable zeolite aluminosilicate having a silica to alumina ratio of 2.5 to <3.5 and a process of making this composition characterized by ammonia ion exchange, followed by calcination at from 1000.degree. to 1400.degree.F. The composition is further characterized by sodium content expressed as the oxide of less than 4 percent.
REFERENCES:
patent: 3130006 (1964-04-01), Rabo et al.
patent: 3140251 (1964-07-01), Plank et al.
patent: 3287282 (1966-11-01), Stiles
patent: 3293192 (1966-12-01), Maher et al.
patent: 3518051 (1970-06-01), Maher et al.
Maher Philip Kenerick
McDaniel Carl Vance
Meros Edward J.
Nigon Joseph P.
W. R. Grace & Co.
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