Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate
2005-10-13
2008-10-21
Caldarola, Glenn (Department: 1797)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
C502S021000
Reexamination Certificate
active
07439414
ABSTRACT:
Improved processing of spent catalyst from an oxygenate-containing feedstock to olefins conversion process is realized through the employment of a barrier filter to treat a catalyst particle-containing flue gas resulting from a catalyst regenerator. The barrier filter serves to separate the catalyst particles from the flue gas. Catalyst material so recovered can, with or without classifying, subsequently be appropriately recycled and further used.
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Miller Lawrence W.
Senetar John J.
Bullock In Suk
Caldarola Glenn
Paschall James C
UOP LLC
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