| 发明名称 |
WASSERLÖSLICHE SCHWEFELFARBSTOFFE, IHRE HERSTELLUNG UND VERWENDUNG |
| 摘要 |
<p>The black water-soluble sulphur dyes of the formula <IMAGE> in which e.g. F is the dye chromophore of C.I. Leuco Sulphur Black 1, R<1> is hydrogen or alkyl, M<(+)> is an alkali metal cation, and n is a number such that the dye contains from 5 to 20% by weight of COO<(-)> groups, are outstandingly suitable, inter alia, for the production of recording fluids.</p> |
| 申请公布号 |
AT158332(T) |
申请公布日期 |
1997.10.15 |
| 申请号 |
AT19930114982T |
申请日期 |
1993.09.17 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
BAUER, WOLFGANG, DR.;NAGL, GERT, DR.;STECKELBERG, WILLI, DR.;RITTER, JOSEF, DR.;MAUELSHAGEN, WILHELM |
| 分类号 |
B41M5/00;C09B49/00;C09B67/30;C09B69/04;C09D11/17;C09D11/328;D06P5/00;(IPC1-7):C09B49/00;C09D11/00 |
主分类号 |
B41M5/00 |
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代理人 |
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