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Inventa AG fuer Forschung und Patentverwertung
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Inventa AG fuer Forschung und Patentverwertung
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Publication of ES241787A1publicationCriticalpatent/ES241787A1/en
A process for obtaining caprolactam from its polymerization in equilibrium, characterized in that with the help of inert traction gases, the lactam is evaporated from the polymerization in thin film evaporators and the inert gases are extracted by washing with water. They contain lactam. (Machine-translation by Google Translate, not legally binding)
ES0241787A1957-07-161958-05-08A procedure for obtainingºpsilon-caprolactama (Machine-translation by Google Translate, not legally binding)
ExpiredES241787A1
(en)
Process for the preparation of new 16alpha, 17alpha-ketals or -acetals of the 16 alpha-hydroxy-6alpha-fluoro- or-chloro-derivatives of hormones of the pregnane series.
Procedure for the obtaining of therapeutically active cyanatic acid hydrazide derivatives (Machine-translation by Google Translate, not legally binding)