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Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
Chevron Research Co
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Filing date
Publication date
Priority claimed from US05/687,968external-prioritypatent/US4098774A/en
Priority claimed from US05/724,801external-prioritypatent/US4101447A/en
Application filed by Chevron Research and Technology Co, Chevron Research CofiledCriticalChevron Research and Technology Co
Publication of ES458941A1publicationCriticalpatent/ES458941A1/es
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General
(AREA)
Other In-Based Heterocyclic Compounds
(AREA)
Pyrrole Compounds
(AREA)
Abstract
Procedimiento de obtención de un catalizador para la polimerización de 2-pirrolidona, caracterizado porque se hace reaccionar un pirrolidonato de metal alcalino, una sal de amonio cuaternario y dióxido de carbono.
ES458941A1976-05-191977-05-19Procedimiento de obtencion de un catalizador para la poli-merizacion de 2-pirrolidona.
ExpiredES458941A1
(es)