| 发明名称 |
CHEMICAL CARBON PAPER |
| 摘要 |
<p>A "one-component" carbonless copying paper, comprising paper having on the same surface thereof (1) a color former encapsulated in walls of polyurea obtained by the reaction of a polyisocyanate with a polyamine and water, and (2) a developer capable of reacting with the color former to form a dyestuff, the developer having been formed in situ during the reaction of the polyisocyanate with the polyamine.</p> |
| 申请公布号 |
EP0023613(B1) |
申请公布日期 |
1984.04.18 |
| 申请号 |
EP19800104036 |
申请日期 |
1980.07.12 |
| 申请人 |
BAYER AG |
发明人 |
DAHM, MANFRED, DR.;JABS, GERT, DR.;WEGNER, CHRISTIAN, DR. |
| 分类号 |
B01J13/16;B41M5/155;B41M5/165;H01L31/20;(IPC1-7):41M5/12;41M5/00 |
主分类号 |
B01J13/16 |
| 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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