| 发明名称 |
Heat sensitive recording material |
| 摘要 |
<p>The present invention provides a heat sensitive recording material comprising a substrate and a recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor, the recording material being characterized in that, the basic dye comprises an indolyldiazaphthalide derivative of the formula (1), and the color acceptor comprises a diphenyl sulfone derivative of the formula (2) and/or a benzanilide derivative of the formula (3) <IMAGE> wherein R1 to R8 are defined in the specification.n</p> |
| 申请公布号 |
EP0756943(A1) |
申请公布日期 |
1997.02.05 |
| 申请号 |
EP19960112308 |
申请日期 |
1996.07.30 |
| 申请人 |
NEW OJI PAPER CO., LTD. |
发明人 |
IIDA, TAKESHI;MEGURO, TATSUYA;TSUCHIDA, TETSUO |
| 分类号 |
B41M5/30;B41M5/327;B41M5/333;(IPC1-7):B41M5/30 |
主分类号 |
B41M5/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
