发明授权
- 专利标题: Process for separating aniline derivatives
- 专利标题(中): 苯胺衍生物分离方法
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申请号: US213069申请日: 1988-06-29
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公开(公告)号: US4918232A公开(公告)日: 1990-04-17
- 发明人: Hans-Josef Buysch , Michael Hullmann , Lothar Puppe
- 申请人: Hans-Josef Buysch , Michael Hullmann , Lothar Puppe
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3724018 19870721
- 主分类号: C07C209/86
- IPC分类号: C07C209/86 ; C07C67/00 ; C07C209/00 ; C07C211/46
摘要:
A process for separating from each other aniline and aniline derivatives having different numbers of C atoms bound to the N atoms is disclosed herein, this process being characterized in that a mixture of the substances mentioned is treated in liquid phase with zeolites of the faujasite type at a temperature from 0.degree. C. to 190.degree. C.
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