| 发明名称 |
Tamperproof document and a process for producing the same |
| 摘要 |
The tamperproof document consists of a photographic material as information carrier which is laminated on one or both sides with a transparent foil. The foil is attached to the surface of the information carrier by a layer of adhesive containing poly-1,2-alkyleneimine. The document is eminently saft against falsification.
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| 申请公布号 |
US4456667(A) |
申请公布日期 |
1984.06.26 |
| 申请号 |
US19820401655 |
申请日期 |
1982.07.26 |
| 申请人 |
AGFA-GAVAERT AKTIENGESELLSCHAFT |
发明人 |
BOCHOW, RICHARDA;BERGMANN, HELMUT;EIKEMEIER, SIEGFRIED |
| 分类号 |
B41M3/14;B42D15/10;B44F1/12;G03C11/08;(IPC1-7):G03C3/00 |
主分类号 |
B41M3/14 |
| 代理机构 |
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| 主权项 |
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