发明名称 |
Color-developing agent for pressure-sensitive recording sheet and color-developing sheet therefor |
摘要 |
The color-developing agent for pressure-sensitive recording sheet comprises the polyvalent-metal salt of carboxylated terpenephenol resin. The color-developing sheet containing the above color-developing agent provides excellent yellowing-resistance, superior color-developing ability and improved fastness of the colored image.
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申请公布号 |
US4749680(A) |
申请公布日期 |
1988.06.07 |
申请号 |
US19860872184 |
申请日期 |
1986.06.09 |
申请人 |
JUJO PAPER CO., LTD. |
发明人 |
UMEDA, HIROAKI;SUZUKI, MAMORU;HASEGAWA, AKIRA;HATA, KUNIO |
分类号 |
B41M5/155;(IPC1-7):B41M5/16;B41M5/22 |
主分类号 |
B41M5/155 |
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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