| 发明名称 |
Systems employing indole color formers |
| 摘要 |
3-[(Substituted-amino)(aryl or heteroaryl)methyl]-1H-indoles which are useful as color-formers in pressure-sensitive carbonless duplicating systems and thermal marking systems are prepared by reacting 3-[(arylsulfonyl)(aryl or heteroaryl)methyl]-1H-indoles with amines or precursors thereof in the presence of a base.
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| 申请公布号 |
US4341402(A) |
申请公布日期 |
1982.07.27 |
| 申请号 |
US19800127650 |
申请日期 |
1980.03.06 |
| 申请人 |
STERLING DRUG INC. |
发明人 |
SCHMIDT, PAUL J.;HUNG, WILLIAM M. W. |
| 分类号 |
B41M5/136;B41M5/323;C07D209/14;C07D401/06;C07D403/06;C07D405/06;C07D409/06;(IPC1-7):B41M5/16;B41M5/18;B41M5/22 |
主分类号 |
B41M5/136 |
| 代理机构 |
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代理人 |
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