| 发明名称 |
Thermally-responsive record material |
| 摘要 |
A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material and certain acidic developer material. Record material comprising this color-forming composition exhibits greatly improved background coloration.
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| 申请公布号 |
US4675707(A) |
申请公布日期 |
1987.06.23 |
| 申请号 |
US19850803177 |
申请日期 |
1985.12.02 |
| 申请人 |
APPLETON PAPERS INC. |
发明人 |
VERVACKE, STEVEN L.;PETERSEN, THOMAS C. |
| 分类号 |
B41M5/333;(IPC1-7):B41M5/18 |
主分类号 |
B41M5/333 |
| 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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