Chemistry of hydrocarbon compounds – Aromatic compound synthesis – Having alkenyl moiety – e.g. – styrene – etc.
Patent
1983-05-09
1984-05-29
Gantz, Delbert E.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
Having alkenyl moiety, e.g., styrene, etc.
585654, 502 61, 502 64, C07C 536
Patent
active
044516860
ABSTRACT:
Catalytic dehydrogenation of alkyl- or dialkyl- aromatic hydrocarbons such as ethylbenzene or ethyltoluene to vinyl aromatic hydrocarbons is achieved by passing the aromatic hydrocarbons on a crystalline silica which has been calcined under an inert atmosphere and which contains from about 0.05 to about 1 weight percent of an alkali metal oxide such as sodium oxide. In the preparation of the crystalline silica, limited washing of the crystalline silica precursor is performed to obtain an amount of alkali metal oxide remaining in the crystalline silica between about 0.05 and about 1 weight %.
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Cahen Raymond M.
De Clippeleir Georges E. M. J.
Martins Mendes Cerejo Francisco A.
Caddell Michael J.
Cheairs M. Norwood
Cosden Technology, Inc.
Gantz Delbert E.
Pal A.
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