发明名称 |
Recording material |
摘要 |
The present invention provides a recording material utilizing a reaction between a colorless or light-colored dye precursor and a color developer capable of forming a color upon coming into contact with the dye precursor, the recording material being characterized in that the material comprises at least one compound serving as the dye precursor and represented by the formula (1), and an acidic substance serving as the color developer <IMAGE> (1) wherein R1 to R6, p and q are defined in the specification. At least one selected from the group consisting of phenolic compounds of the formulae (10), (11) and (12) and phenolic resin having a partial structure of the formula (13) can be used, as required, to further improve the color forming properties and change the color of recorded images from reddish purple or purple to blue or dark blue.
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申请公布号 |
US5372917(A) |
申请公布日期 |
1994.12.13 |
申请号 |
US19930082947 |
申请日期 |
1993.06.29 |
申请人 |
KANZAKI PAPER MANUFACTURING CO., LTD. |
发明人 |
TSUCHIDA, TETSUO;MEGURO, TATSUYA;KOURO, TAKAAKI;OMURA, HARUO |
分类号 |
B41M5/136;B41M5/323;(IPC1-7):B41M5/30;B41M5/32;G03C1/73 |
主分类号 |
B41M5/136 |
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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