Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate
2008-07-22
2008-07-22
Wood, Elizabeth D (Department: 1793)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
C585S639000, C585S640000, C585S310000, C585S324000, C585S326000, C585S327000, C585S329000, C518S700000, C526S127000
Reexamination Certificate
active
11805974
ABSTRACT:
The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalyst composition, wherein the feedstock is free of or substantially free of metal salts.
REFERENCES:
patent: 5714662 (1998-02-01), Vora et al.
patent: 5733990 (1998-03-01), Soga et al.
patent: 7238846 (2007-07-01), Janssen et al.
Beech, Jr. James Harding
Janssen Marcel J. G.
Kuechler Keith H.
Van Egmond Cor F.
Vaughn Stephen N.
ExxonMobil Chemical Patents Inc.
Wood Elizabeth D
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