| 发明名称 |
COMPOSITION FOR REVERSIBLE THERMAL RECORDING MEDIA |
| 摘要 |
A composition for reversible thermal recording media which contains an amphoteric compound having at least one of a phenolic hydroxyl group and a carboxyl group and also having an amino group either as a functional group or as part of a salt compound, and a leuco compound. (The remaining space is left blank.)
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| 申请公布号 |
CA2030799(A1) |
申请公布日期 |
1990.10.08 |
| 申请号 |
CA19902030799 |
申请日期 |
1990.04.06 |
| 申请人 |
TOPPAN PRINTING CO. LTD. |
发明人 |
NIRO, WATANABE;TOYOKO, SHIMIZU;YOSHIHIRO, HINO |
| 分类号 |
B41M5/30;B41M5/333;(IPC1-7):B41M5/30 |
主分类号 |
B41M5/30 |
| 代理机构 |
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代理人 |
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