Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By dealkylation
Reexamination Certificate
2011-07-19
2011-07-19
Dang, Thuan Dinh (Department: 1771)
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By dealkylation
C585S475000, C585S481000, C585S722000, C585S533000, C208S111010, C208S120010, C208S027000
Reexamination Certificate
active
07982084
ABSTRACT:
A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula.in-line-formulae description="In-line Formulae" end="lead"?Mmn+Rr+Al(1-x)ExSiyOzin-line-formulae description="In-line Formulae" end="tail"?where M represents a combination of potassium and sodium exchangeable cations, R is a singly charged organoammonium cation such as the propyltrimethylammonium cation and E is a framework element such as gallium. These zeolites are similar to MWW but are characterized by unique x-ray diffraction patterns and compositions and have catalytic properties for carrying out various hydrocarbon conversion processes.
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Jan Deng-Yang
Moscoso Jaime G.
Dang Thuan Dinh
Maas Maryann
UOP LLC
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