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Inventa AG fuer Forschung und Patentverwertung
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Inventa AG fuer Forschung und Patentverwertung
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Application filed by Inventa AG fuer Forschung und PatentverwertungfiledCriticalInventa AG fuer Forschung und Patentverwertung
Priority to ES222114ApriorityCriticalpatent/ES222114A1/en
Publication of ES222114A1publicationCriticalpatent/ES222114A1/en
A process for the preparation of ε -caprolactam, characterized by treating adipic acid and its derivatives, optionally in the presence of ammonia and hydrogenation catalysts, at elevated temperature and pressure, with hydrogen. (Machine-translation by Google Translate, not legally binding)
ES222114A1955-05-301955-05-30Improved improvements for obtainingº-caprolactama (Machine-translation by Google Translate, not legally binding)
ExpiredES222114A1
(en)
A procedure for the obtaining of dihydrocombinations of synthetic or natural derivatives of lystric acid. (Machine-translation by Google Translate, not legally binding)