Chemistry of inorganic compounds – Zeolite – Organic compound used to form zeolite
Reexamination Certificate
2006-03-07
2006-03-07
Sample, David (Department: 1755)
Chemistry of inorganic compounds
Zeolite
Organic compound used to form zeolite
C423S709000, C423S713000, C549S315000
Reexamination Certificate
active
07008610
ABSTRACT:
A crystalline material is described that has an AEI framework type, wherein the material, in its calcined, anhydrous form, has a composition involving the molar relationship:in-line-formulae description="In-line Formulae" end="lead"?(n)X2O3:YO2,in-line-formulae description="In-line Formulae" end="tail"?wherein X is a trivalent element, Y is a tetravalent element n is from 0 to less than 0.01. The material is normally synthesized in a halide, typically a fluoride, medium and exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.
REFERENCES:
patent: 5095163 (1992-03-01), Barger
patent: 5958370 (1999-09-01), Zones et al.
patent: 6153798 (2000-11-01), Hidaka et al.
Abstract—“Synthesis of Novel Zeolites SSZ-53 Using Novel Organic Templating Agents Derived From Nitriles”, Studies in Surface Science and Catalysis (2001), 135 (Zeolites and Mesoporous Materials at the Dawn of the 21st Century), 479-486.
Guest/Host Relationships in the Synthesis of the Novel Cage-Based Zeolites SSZ-35, SSZ-36 and SSZ-39, J. Am. Chem. Soc. 2000, 122 (2), pp. 263-273.
Cao Guang
Guram Anil S.
Li Hailian
Muraoka Mark T.
Saxton Robert J.
ExxonMobil Chemical Patents Inc.
Sample David
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