4. Chemistry of hydrocarbon compounds
  5. Unsaturated compound synthesis
  6. From nonhydrocarbon feed

David Ritchie Lumgair, Jr.

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Method and apparatus for treating oxygenate-containing feeds...

Distillation: processes – separatory – With measuring – testing or inspecting
Reexamination Certificate

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Method and apparatus for treating oxygenate-containing feeds...

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate

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Method and apparatus for treating oxygenate-containing feeds...

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including heat exchanger for reaction chamber or reactants...
Reexamination Certificate

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Method of removing dimethyl ether from an olefin stream

Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By plural serial diverse separations
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Process for handling catalyst from an oxygenate to olefin...

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
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