| 发明名称 |
Process for the preparation of 4-aminodiphenylamine |
| 摘要 |
4-aminodiphenylamines are prepared by hydrogenating nitrosobenzene or mixtures of nitrosobenzene and nitrobenzene with hydrogen in the presence of bases containing hydroxide, oxide and/or alkoxide groups and heterogeneous catalysts in inert aprotic solvents at temperatures of from 0 to 200 DEG C. and at pressures of from 0.1 to 150 bar.
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| 申请公布号 |
US5932768(A) |
申请公布日期 |
1999.08.03 |
| 申请号 |
US19980126344 |
申请日期 |
1998.07.30 |
| 申请人 |
BAYER AG |
发明人 |
OOMS, PIETER;NOTHEIS, ULRICH;LAUE, CHRISTIAN |
| 分类号 |
B01J21/16;B01J23/42;B01J23/44;B01J23/46;B01J29/44;B01J29/62;C07B61/00;C07C209/36;C07C209/38;C07C211/54;C07C211/55;(IPC1-7):C07C209/30 |
主分类号 |
B01J21/16 |
| 代理机构 |
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