发明名称 |
Process for the preparation of colourless dibenzylamine |
摘要 |
A process for the production of colorless dibenzylamines (I) having a color number of less than 100 Hazens comprises addition of an additive comprising an ammonium chloride and/or an amine and distillation of the resulting mixture. |
申请公布号 |
EP1375470(A3) |
申请公布日期 |
2004.09.29 |
申请号 |
EP20030013535 |
申请日期 |
2003.06.13 |
申请人 |
BAYER CHEMICALS AG |
发明人 |
HEUER, LUTZ, DR. |
分类号 |
C07C209/84;C07C209/90;C07C211/27 |
主分类号 |
C07C209/84 |
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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