Oxygenate to olefins process involving supercritcal conditions

Details Oxygenate to olefins process involving supercritcal conditions Oxygenate to olefins process involving supercritcal conditions

2011-07-12

2011-07-12

Singh, Prem C (Department: 1771)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

C585S638000, C585S640000, C585S906000, C585S910000, C502S085000, C502S214000, C204S157150, C204S157600

Reexamination Certificate

active

07977521

ABSTRACT:
This invention, in one embodiment, is drawn to a process for forming olefin product by contacting an oxygenate with an olefin-forming catalyst under supercritical conditions to form an olefin product. This invention also relates to methods for activating molecular sieve catalyst, regenerating molecular sieve catalyst, and forming and/or disposing a co-catalyst within a molecular sieve catalyst, each under supercritical conditions.

REFERENCES:
patent: 4814541 (1989-03-01), Lewis
patent: 4849575 (1989-07-01), Lewis
patent: 4973792 (1990-11-01), Lewis et al.
patent: 6046373 (2000-04-01), Sun
patent: 2002/0087041 (2002-07-01), Kuechler et al.

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