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公开(公告)号：US3792045A
公开(公告)日：1974-02-12
申请号：US3792045D
申请日：1971-12-22
Applicant: INVENTA AG
Inventor： HENN R , DEITERS D , SCHULTZE H , BERTHER C
IPC: C07D201/16 , C07D41/06
CPC classification number: C07D201/16
Abstract: A PROCESS CHARACTERIZED IN THAT RAW CAPROLACTAM IS SUBJECTED, IN EITHER SEQUENCE, TO A CRYSTAL EXTRACTION WITH AN ALIPHATIC OR CYCLOALIPHATIC HYDROCARBON HAVING 5-10 CARBON ATOMS AND TO DISTILLATION UNDER REDUCED PRESSURE.
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