Processes for making higher octane motor fuels having a low...

Chemistry of hydrocarbon compounds – Saturated compound synthesis – By isomerization

Reexamination Certificate

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C585S737000, C585S738000, C208S133000

Reexamination Certificate

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07485768

ABSTRACT:
Pentanes are separated from a naphtha boiling range feedstock to provide a gasoline stock having a high RON and low RVP. The isopentane is isomerized to make normal pentane and normal pentane is withdrawn as a feed, preferably for a steam cracker.

REFERENCES:
patent: 6429349 (2002-08-01), Grimes et al.
I.A. Reddoch et al.,Seperation of Normal Paraffins from Isoparaffins, Sep. 4-7, 1983; pp. 673-680.

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