Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...
Reexamination Certificate
2007-01-02
2007-01-02
Dang, Thuan D (Department: 1764)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By addition of entire unsaturated molecules, e.g.,...
C585S510000, C585S512000, C585S513000, C585S522000, C585S523000, C585S527000
Reexamination Certificate
active
10872250
ABSTRACT:
A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound.
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Anderson Richard L.
Cowan Glyndal D.
Ewert Warren M.
Franklin Ralph V.
Freeman Jeffrey W.
Dang Thuan D
Phillips Petroleum Company
Womble Carlyle Sandridge & Rice PLLC
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