OXIDATION OF P-XYLENE AND P-TOLUIC ACID METHYL ESTER WITH OXYGEN-CONTAINING GAS

PROBLEM TO BE SOLVED: To provide a method for oxidation, with the aid of an oxygen- containing gas, of p-xylene(pX) and p-toluic acid methyl ester (pTE) by the Witten-Hercules method (DMT method), which produces dimethyl terephthalate in at least two partial stages in the presence of a catalyst. SOL...

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Hauptverfasser: FRANZ GERHARD DR, JOSTMANN THOMAS DR, JELKO STEFAN, SREBNY HANS-GUENTHER DR, KORTE HERMANN-JOSEF DR, STEDING FRANK DR, SCHOENGEN ANTON
Format: Patent
Sprache:eng
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