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PRODENA SOC ANENIMA
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PRODENA SOC ANENIMA
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Priority to ES0255120ApriorityCriticalpatent/ES255120A1/en
Publication of ES255120A1publicationCriticalpatent/ES255120A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for obtaining terephthalic acid by thermal transformation (isomerization) of orthophthalic acid or its salts, in the presence of a catalyst and with increased pressure of CO2; characterized by starting with salts of orthophthalic acid and carrying out the thermal transformation in the presence of salts of terephthalic acid of the same cation. (Machine-translation by Google Translate, not legally binding)
ES0255120A1960-01-111960-01-11Procedure for the manufacture of tereftºlico acid (Machine-translation by Google Translate, not legally binding)
ExpiredES255120A1
(en)
Procedure for the preparation of catalyst support for the obtaining of maleic anhydride by the partial catalytic oxidation of benzene (Machine-translation by Google Translate, not legally binding)