| 发明名称 |
HIGHLY SULFONATED TRIPHENYLMETHANE COMPOUNDS, PROCESS FOR THEIR PREPARATION AND THEIR USE AS DYESTUFFS |
| 摘要 |
<p>of the disclosure: New high-sulfonated triphenylmethane compounds had been found which are especially well suitable for the use as writing ink dyestuffs. They possess a high solubility in water over a wide pH-range and are stable also in a prolonged storage.</p> |
| 申请公布号 |
CA1068265(A) |
申请公布日期 |
1979.12.18 |
| 申请号 |
CA19760245113 |
申请日期 |
1976.02.05 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
HAEHNKE, MANFRED;HENCKEN, GUENTHER |
| 分类号 |
C09B11/00;C09B11/20;C09D11/16;(IPC1-7):09B11/12;09D11/16 |
主分类号 |
C09B11/00 |
| 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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