| 发明名称 |
LAYER STRUCTURE AND FILMS FOR ID DOCUMENTS HAVING IMPROVED PROPERTIES FOR LASER ENGRAVING |
| 摘要 |
The present invention relates to a layer structure having improved properties for laser engraving, to particular embodiments of said layer structures in the form of co-extrusion films, and to security documents, preferably identification documents comprising said layer structures. |
| 申请公布号 |
EP2393656(B1) |
申请公布日期 |
2013.06.19 |
| 申请号 |
EP20100702422 |
申请日期 |
2010.01.23 |
| 申请人 |
BAYER INTELLECTUAL PROPERTY GMBH |
发明人 |
PUDLEINER, HEINZ;YESILDAG, MEHMET-CENGIZ;TZIOVARAS, GEORGIOS;NICKEL, JOERG;MEYER, KLAUS |
| 分类号 |
B32B27/18;B32B27/20;B32B27/36 |
主分类号 |
B32B27/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
