| 发明名称 |
PREPARATION OF PORYCYCLIC AROMATIC POLYAMINE |
| 摘要 |
<p>The present invention relates to an improved embodiment of the process for the preparation of polynuclear aromatic polyamines by condensing aniline with formaldehyde in the presence of water and acidic catalysts and working up the reaction mixture by extraction with a hydrophobic solvent while recycling the acid catalyst obtained in the aqueous phase of the extraction.</p> |
| 申请公布号 |
JPH05140050(A) |
申请公布日期 |
1993.06.08 |
| 申请号 |
JP19920116728 |
申请日期 |
1992.04.10 |
| 申请人 |
BAYER AG |
发明人 |
HARUTOMUUTO KUNEFUERU;MIHIYAERU BUROTSUKERUTO;MAASERU PECHINOUKUSU;RUDORUFU UTSUFUDORUFU;HANSUUPEETERU SHIYARU |
| 分类号 |
B01J27/08;C07B61/00;C07C209/78;C07C209/82;C07C211/50;C07C211/54 |
主分类号 |
B01J27/08 |
| 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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