Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...
Reexamination Certificate
2011-06-09
2011-11-08
Dang, Thuan Dinh (Department: 1772)
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By condensation of entire molecules or entire hydrocarbyl...
C585S486000, C585S475000, C585S481000, C585S722000, C585S533000, C208S111010, C208S120010, C208S027000
Reexamination Certificate
active
08053617
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.
REFERENCES:
patent: 4440871 (1984-04-01), Lok et al.
Jan Deng-Yang
Moscoso Jaime G.
Dang Thuan Dinh
Maas Maryann
UOP LLC
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