| 发明名称 |
NON-FORGEABLE AND NON-FLUORESCENT SECURITY PAPER, AND DOCUMENT OBTAINED |
| 摘要 |
<p>Papermaking and stationery. …<??>The nonfluorescent security paper in accordance with the invention is characterised in that it comprises, on its surface and/or within its bulk, a cobalt(II) or (III) salt which is at least partially soluble in aqueous phase. …<??>Application to security papers.</p> |
| 申请公布号 |
EP0378029(B1) |
申请公布日期 |
1993.09.15 |
| 申请号 |
EP19890420481 |
申请日期 |
1989.12.06 |
| 申请人 |
AUSSEDAT-REY |
发明人 |
RIOU, CLAUDE RAYMOND;HONNORAT, ANDRE |
| 分类号 |
B42D15/00;B44F1/12;D21H21/46 |
主分类号 |
B42D15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
