| 发明名称 |
HEAT SENSITIVE RECORDING MATERIAL |
| 摘要 |
PURPOSE:To enhance heat sensitivity and to prevent an image formed from readily fading or discoloring, by employing a specified lactone compound as a colorant. |
| 申请公布号 |
JPS5382421(A) |
申请公布日期 |
1978.07.20 |
| 申请号 |
JP19760159144 |
申请日期 |
1976.12.28 |
| 申请人 |
RICOH KK |
发明人 |
IWATA SUSUMU;KUBO TAKASHI;TAMURA HIROSHI;MIYAJIMA SHIGERU |
| 分类号 |
B41M5/323;B41M5/30;B41M5/327;B41M5/337 |
主分类号 |
B41M5/323 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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