发明名称 |
VEFAHREN ZUR HERSTELLUNG VON EPSILON-CAPROLACTAM |
摘要 |
A process for the preparation of epsilon -caprolactam starting from 6-aminocaproic acid, 6-aminocaproamide, 6-aminocaproic ester, 6-aminocapronitrile, oligomers or polymers of these compounds or mixtures comprising at least two of these compounds, which process is performed in the presence of N-(5-carboxypentyl)- epsilon -caprolactam and/or derivative thereof in an amount of less than 50 wt.% and more than 0.1 wt.% (based on the total reaction mixture). |
申请公布号 |
DE60100746(T2) |
申请公布日期 |
2004.07.15 |
申请号 |
DE2001600746T |
申请日期 |
2001.02.02 |
申请人 |
DSM IP ASSETS B.V., HEERLEN |
发明人 |
AGTERBERG, PETRUS;GUIT, PHILIPPUS;OFFERMANNS, ROBERT |
分类号 |
C07D223/10;C07D201/08;C07D201/12 |
主分类号 |
C07D223/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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