| 发明名称 |
Chromogenic compounds for pressure- or heat-sensitive recording papers. |
| 摘要 |
<p>Chromogenic compounds of formula (I): <CHEM> wherein R represents an alkyl group of 6 to l2 carbon atoms or benzyl group and ring A or ring B in the quinolyl group may be substituted, are color formers for use in pressure- or heat-sensitive recording papers.</p> |
| 申请公布号 |
EP0256180(A1) |
申请公布日期 |
1988.02.24 |
| 申请号 |
EP19860306201 |
申请日期 |
1986.08.11 |
| 申请人 |
YAMADA CHEMICAL CO., LTD. |
发明人 |
FUJISAKI, HIDEAKI;MIZUNO, KOZO;UDA, YOSHINORI;SUETO YUKIHIKO;TSUNEMITSU, KATSUHIKO |
| 分类号 |
B41M5/132;B41M5/136;B41M5/323;C07D215/14;C07D215/18;C07D215/20;(IPC1-7):C07D215/14;C09B23/14;B41M5/26;B41M5/12 |
主分类号 |
B41M5/132 |
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