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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/es
Un procedimiento para la obtención de caprolactama a partir de su polimerizado en equilibrio, caracterizado por que con ayuda de gases inertes de arrastre, se evapora la lactama desde el polimerizado en evaporadores de capa delgada y se extraen por lavado con agua los gases inertes, que contienen lactama.
ES0241787A1957-07-161958-05-08Un procedimiento para la obtencion de épsilon-caprolactama
ExpiredES241787A1
(es)
Procédé de préparation de nouveaux 16alpha,17alpha-cétals ou -acétals des 16 alpha-hydroxy-6alpha-fluoro- ou- chloro-dérivés d'hormones de la série du prégnane.