Chemistry of hydrocarbon compounds – Compound or reaction product mixture – Aromatic
Reexamination Certificate
2011-02-01
2011-02-01
McAvoy, Ellen M (Department: 1797)
Chemistry of hydrocarbon compounds
Compound or reaction product mixture
Aromatic
C585S014000, C585S016000, C044S300000
Reexamination Certificate
active
07880041
ABSTRACT:
A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crystalline alumino-silicate catalyst, such as a ZSM-5 zeolite, at a temperature of from about 150° C. to about 400° C. so as to form higher molecular weight hydrocarbons and hydrobromic acid vapor. Hydrobromic acid vapor is removed from the higher molecular weight hydrocarbons. A portion of the propane and butane is removed from the higher molecular weight hydrocarbons and reacted with the mixture of alkyl bromides and hydrobromic acid over the synthetic crystalline alumino-silicate catalyst to form C5+hydrocarbons.
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paten
Ebel Jack E.
Marathon GTF Technology, Ltd.
McAvoy Ellen M
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