Chemistry of inorganic compounds – Zeolite – Organic compound used to form zeolite
Reexamination Certificate
2008-07-22
2008-07-22
Brunsman, David M (Department: 1793)
Chemistry of inorganic compounds
Zeolite
Organic compound used to form zeolite
C423S335000
Reexamination Certificate
active
11259339
ABSTRACT:
A method is disclosed for synthesizing high-silica molecular sieves having the CHA crystal structure using a structure directing agent comprising a cation derived from 1-adamantamine, 3-quinuclidinol or 2-exo-aminonorbornane. The synthesis is conducted in the absence of fluorine.
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Brunsman David M
Chevron U.S.A. Inc.
Sheridan Richard J.
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