| 发明名称 |
Carbonless duplicating and marking systems |
| 摘要 |
3-[(Alkoxy)(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 alcohols in the presence of a base.
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| 申请公布号 |
US4307898(A) |
申请公布日期 |
1981.12.29 |
| 申请号 |
US19800127648 |
申请日期 |
1980.03.06 |
| 申请人 |
STERLING DRUG INC. |
发明人 |
SCHMIDT, PAUL J.;HUNG, WILLIAM M. |
| 分类号 |
C07D209/10;B41M5/136;B41M5/323;C07D209/12;C07D401/06;C07D403/06;C07D405/06;C07D409/06;(IPC1-7):B41M5/16;B41M5/18;B41M5/22 |
主分类号 |
C07D209/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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