| 发明名称 |
COLOR DEVELOPER FOR PRESSURE-SENSITIVE COPYING PAPER |
| 摘要 |
<p>A color developer for pressure-sensitive copying papers is prepared by mixing a para-substituted difunctional phenol-aldehyde condensate and tri- or higher-functional phenol-aldehyde condensate. The tri- or higherfunctional phenol-aldehyde condensate can be modified by a polyvalent metal.</p> |
| 申请公布号 |
CA1102123(A) |
申请公布日期 |
1981.06.02 |
| 申请号 |
CA19770290144 |
申请日期 |
1977.11.03 |
| 申请人 |
SUMITOMO DUREZ COMPANY, LTD. |
发明人 |
KIKUGA, TOYOJI;HIRAI, KOJI |
| 分类号 |
B41M5/155;C08G8/24;C08L61/06;(IPC1-7):03C5/54;41L1/36;41M5/16 |
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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