发明名称 |
Color-developing agent for pressure-sensitive recording sheet and color-developing sheet thereof |
摘要 |
The color-developing agent for pressure-sensitive recording sheet comprises a reaction product of carboxylated terpenephenol resin, aromatic carboxylic acid and polyvalent metal compound. The color-developing sheet containing the above color-developing agent provides an excellent color-developing rate and an improved light fastness.
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申请公布号 |
US4784692(A) |
申请公布日期 |
1988.11.15 |
申请号 |
US19870122078 |
申请日期 |
1987.11.18 |
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):C09D11/00 |
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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