Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate
2011-07-05
2011-07-05
Singh, Prem C (Department: 1771)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
C585S327000, C585S329000, C585S639000, C502S208000, C502S214000, C502S238000, C423S305000, C423S306000, C208S114000, C208S136000
Reexamination Certificate
active
07973208
ABSTRACT:
A catalyst for converting methanol to light olefins and the process for making and using the catalyst are disclosed and claimed. SAPO-34 is a specific catalyst that benefits from its preparation in accordance with this invention. A seed material is used in making the catalyst that has a higher content of the EL metal than is found in the principal part of the catalyst. The molecular sieve has predominantly a roughly rectangular parallelepiped morphology crystal structure with a lower fault density and a better selectivity for light olefins.
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Barger Paul T.
Broach Robert W.
Chen John Q.
Erdman Natasha
Reynolds Thomas M.
Goldberg Mark
Singh Prem C
UOP LLC
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