Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries Ltd
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Filing date
Publication date
Application filed by Mitsui Petrochemical Industries LtdfiledCriticalMitsui Petrochemical Industries Ltd
Priority to ES394130ApriorityCriticalpatent/ES394130A1/en
Publication of ES394130A1publicationCriticalpatent/ES394130A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for the production of tarephthalic acid by oxidation of the p-xylene in liquid phase in an acetic acid medium with excess molecular oxygen, at high pressure and temperature, characterized by the improvement comprising carrying out said liquid phase oxidation in the presence of an oxidation catalyst soluble in acetic acid and containing bromine and a polyvalent heavy metal selected from the group of cobalt and manganese, in a reaction zone having an inner surface of titanium or titanium alloy. (Machine-translation by Google Translate, not legally binding)
ES394130A1971-08-111971-08-11Procedure for the production of tereftal acid. (Machine-translation by Google Translate, not legally binding)
ExpiredES394130A1
(en)