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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Teijin Ltd
Original Assignee
Teijin Ltd
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Filing date
Publication date
Application filed by Teijin LtdfiledCriticalTeijin Ltd
Priority to JP3612775ApriorityCriticalpatent/JPS51113860A/en
Publication of JPS51113860ApublicationCriticalpatent/JPS51113860A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PURPOSE: To produce naphthalenedicarboxylic acids, that are useful as the raw materials for polyesters, by condensing toluic acids with maleic anhydride and cyclizing them.
COPYRIGHT: (C)1976,JPO&Japio
JP3612775A1975-03-271975-03-27Process for producing naphthalenedicarboxylic acids and their esters
PendingJPS51113860A
(en)