| 发明名称 |
PRINTING INK FOR SAFE MARKING ON A DATA CARRIER |
| 摘要 |
<p>The application relates to a printing ink with an IR-absorbent additive to be applied for protection of documents and for machine detection. It is proposed that graphite be used as the IR-absorbent additive.</p> |
| 申请公布号 |
EP0946661(B1) |
申请公布日期 |
2003.07.30 |
| 申请号 |
EP19970954742 |
申请日期 |
1997.12.12 |
| 申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
MUERL, GERHARD |
| 分类号 |
B41M3/14;B42D15/00;B42D25/29;C09D11/03;(IPC1-7):C09D11/02 |
主分类号 |
B41M3/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
