| 发明名称 |
MULTICOLOR THERMAL RECORDING MEDIUM |
| 摘要 |
In the multi colored thermally sensitive recording medium, at least one kind of dye precursor is contained in complex fine particles which contain dye precursor and polymer of multi valence isocyanate compound, further contain 4,4'-diisocyanate-3,3'-dimethyl-1,1'biphenyl and/or polymethylene . polyphenyl . polyisocyanate.
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| 申请公布号 |
EP1488933(A1) |
申请公布日期 |
2004.12.22 |
| 申请号 |
EP20030743528 |
申请日期 |
2003.02.28 |
| 申请人 |
NIPPON PAPER INDUSTRIES CO., LTD. |
发明人 |
NAGAI, TATSUO;HAMADA, KAORU;FUKUCHI, TADAKAZU;SASAKI, TAKASHI |
| 分类号 |
B41M5/28;B41M5/30;B41M5/337;B41M5/34;(IPC1-7):B41M5/34 |
主分类号 |
B41M5/28 |
| 代理机构 |
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