| 发明名称 |
PROCEDIMIENTO PARA LA OBTENCION DE POLIAMINAS AROMATICAS POLINUCLEARES. |
| 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 |
MX9201428(A) |
申请公布日期 |
1992.10.01 |
| 申请号 |
MX19920001428 |
申请日期 |
1992.03.30 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HARTMUT KNOFEL;MICHAEL BROCKELT;MARCEL PETINAUX;RUDOLF UCHDORF;HANS-PETER SCHAL |
| 分类号 |
B01J27/02;B01J27/10;B01J27/16;B01J31/02;B01J31/04;C07B61/00;C07C209/78;C07C209/82;C07C211/50;(IPC1-7):C07C209/00 |
主分类号 |
B01J27/02 |
| 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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