Process for the production of styrene monomer by improving...

Details Process for the production of styrene monomer by improving... Process for the production of styrene monomer by improving...

2011-03-22

2011-03-22

Dang, Thuan Dinh (Department: 1771)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

C585S443000, C585S440000

Reexamination Certificate

active

07910784

ABSTRACT:
This invention relates to a process for the production of styrene monomer by the dehydrogenation or oxidative dehydrogenation of ethylbenzene in the presence of recycle gas and more particularly to a method of reducing the boiling point of liquid ethylbenzene feed in the production of styrene monomer. The process comprises the step of catalytically dehydrogenating or oxydehydrogenating ethylbenzene in the presence of a mixture, wherein the mixture substantially comprises carbon dioxide, thereby catalytically producing styrene monomer.

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International Search Report, Jul. 21, 2009.

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