发明名称 |
Method for reducing the toxicity of spent liquors and novel cationic dyes |
摘要 |
There has been found 1) a method for reducing the toxicity of spent liquors from dyeing with cationic dyes or mixtures thereof, characterized by the step of dyeing with cationic dyes having a computed electrostatic shielding energy (idealized hydration energy) of >/=50 kcal/mol, 2) cationic, generally low toxicity dyes, their preparation and use for dyeing.
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申请公布号 |
US5869731(A) |
申请公布日期 |
1999.02.09 |
申请号 |
US19970937289 |
申请日期 |
1997.09.25 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
GIERA, HENRY;REICHEL, FELIX;BERNETH, HORST |
分类号 |
C07D249/06;C07D213/38;C07D231/56;C07D249/14;C07D277/20;C07D277/50;C07D409/04;C09B23/14;C09B23/16;C09B26/04;C09B44/10;C09B44/20;C09B55/00;C09B57/00;D06P1/00;D06P1/41;(IPC1-7):C09B23/14;C09D11/00;D06P3/32;D21H21/28 |
主分类号 |
C07D249/06 |
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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