| 发明名称 |
A PROCESS FOR THE PRODUCTION OF POLYNUCLEAR AROMATIC POLYAMINES |
| 摘要 |
Mo3696 LeA 28,179 A PROCESS FOR THE PRODUCTION OF POLYNUCLEAR AROMATIC POLYAMINES The invention relates to an improved process for the production of polynuclear aromatic polyamines by condensation of aniline with formaldehyde in the presence of water and acidic catalysts and working up of the reaction mixture by extraction with a hydrophobic solvent, the acid catalyst accumulating in the aqueous phase of the extraction step being reused. Mo3696
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| 申请公布号 |
CA2065642(A1) |
申请公布日期 |
1992.10.14 |
| 申请号 |
CA19922065642 |
申请日期 |
1992.04.09 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KNOEFEL, HARTMUT;BROCKELT, MICHAEL;PETINAUX, MARCEL;UCHDORF, RUDOLF;SCHAL, HANS-PETER |
| 分类号 |
B01J27/02;B01J27/10;B01J27/16;B01J31/02;B01J31/04;C07B61/00;C07C209/78;C07C209/82;C07C211/50;(IPC1-7):C07C209/78;C07C211/54 |
主分类号 |
B01J27/02 |
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