| 发明名称 |
FAERGLOES FAERGBILDARE FOER ANVAENDNING I TRYCKKAENSLIGA KOPIERINGSSYSTEM |
| 摘要 |
<p>A coated transfer sheet for pressure-sensitive copying systems which comprises an organic colorless color former containing two or more potential chromophoric systems each of which is capable of being activated substantially immediately when the compound is brought into contact with one or more activating substances.</p> |
| 申请公布号 |
FI54714(B) |
申请公布日期 |
1978.10.31 |
| 申请号 |
FI19720003634 |
申请日期 |
1972.12.21 |
| 申请人 |
WIGGINS TEAPE LTD |
发明人 |
HUGHES NIGEL;RENFREW ANDREW HUNTER MORRIS |
| 分类号 |
B41M5/136;B41M5/145;C09B11/02;C09B11/24;C09B11/28;C09B67/22;(IPC1-7):C09B11/02;B41M5/12 |
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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