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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Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
Original Assignee
Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Filing date
Publication date
Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Priority to ES0208633ApriorityCriticalpatent/ES208633A2/en
Publication of ES208633A2publicationCriticalpatent/ES208633A2/en
Improvements introduced in the subject of the main patent no. 207,474 by process for the preparation of terephthalic acid characterized in that p-xylylene dichloride is treated at temperature above its melting point with nitric acid of higher concentration preferably with one of a at 65%. (Machine-translation by Google Translate, not legally binding)
ES0208633A1953-04-061953-04-06Procedure for the preparation of tereftºlico acid (Machine-translation by Google Translate, not legally binding)
ExpiredES208633A2
(en)
Procedure for the polycondensation of acid amidas alquilen, alquiliden and aralquiliden-bis-halºgeno-carboxºlico (Machine-translation by Google Translate, not legally binding)
Industrial procedure for the preparation of trimethylthenrinitroamin of hexamethylenetramine and nitric acid concentrated in excess, which is recovered directly at high concentration. (Machine-translation by Google Translate, not legally binding)