| 发明名称 |
Halogenated aromatic amines which are stable in color, and a process for their preparation |
| 摘要 |
Halogenated aromatic amines are rendered colorstable by distillation and/or storing in equipment made of a rustproof material such as a Cr/Ni/Mo steel, tin, zinc, enamel, glass and/or ceramic material.
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| 申请公布号 |
US4350573(A) |
申请公布日期 |
1982.09.21 |
| 申请号 |
US19800200843 |
申请日期 |
1980.10.27 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KRITZLER, HELMUTH;BOEHM, WALTER;KAPPLER, ULRICH;WINKELMANN, HANS D. |
| 分类号 |
C07C211/52;B01D3/14;C07C67/00;C07C209/00;(IPC1-7):B01D3/14 |
主分类号 |
C07C211/52 |
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