Propylene production

Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – To produce unsaturate

Reexamination Certificate

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C585S644000

Reexamination Certificate

active

07074976

ABSTRACT:
A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to form additional internal linear olefins, the internal linear olefins are disproportionated with ethylene to form a propylene product, while the isoolefins are subjected to skeletal isomerization to form yet additional internal linear olefins to be converted into yet additional propylene.

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