PROCESS FOR PREPARING 3,5-DIMETHYLPHENOL

In the production of 3,5-dimethylphenol (I) by gas phase catalytic di-methylation of isophorone (II) in the presence of a metal (alloy) catalyst, the process stream containing (II) is passed through zones containing catalyst with graded reactivity and thermostatted between these zones.

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Bibliographische Detailangaben
Hauptverfasser: BERGINS WOLFGANG, TALBIERSKY JORG DR
Format: Patent
Sprache:cze ; eng
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Zusammenfassung:In the production of 3,5-dimethylphenol (I) by gas phase catalytic di-methylation of isophorone (II) in the presence of a metal (alloy) catalyst, the process stream containing (II) is passed through zones containing catalyst with graded reactivity and thermostatted between these zones.