| 发明名称 |
Triaryl-methane dyestuffs |
| 摘要 |
Triaryl-methane dyestuffs which are free from sulfonic acid and carboxylic acid groups and are selected from the group consisting of dyestuffs having one of the following four formulae: <IMAGE>
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| 申请公布号 |
US4115413(A) |
申请公布日期 |
1978.09.19 |
| 申请号 |
US19690878952 |
申请日期 |
1969.11.21 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
RAUE, RODERICH;EIFLER, WILLI;KUHLTHAU, HANS-PETER |
| 分类号 |
C09B11/22;(IPC1-7):C07C93/14 |
主分类号 |
C09B11/22 |
| 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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