发明名称 |
Process for preparing copper complex azo dyes |
摘要 |
Process for preparing copper complex azo dyes, characterised in that amines of the formula <IMAGE> where X is H or a substituent, n is 0, 1 or 2, and m is 1 or 2, are diazotised in the presence of copper(II) ions and coupled at pH 9-14 onto the compound of the formula <IMAGE>
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申请公布号 |
DE3116295(A1) |
申请公布日期 |
1982.11.11 |
申请号 |
DE19813116295 |
申请日期 |
1981.04.24 |
申请人 |
BAYER AG |
发明人 |
HENK,HERMANN,DR.;BLECK,WOLF-ECKHARD,DR. |
分类号 |
C09B45/01;C09B45/28;(IPC1-7):C09B45/28;D06P1/10 |
主分类号 |
C09B45/01 |
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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