| 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 |
KR20110111461(A) |
申请公布日期 |
2011.10.11 |
| 申请号 |
KR20117018151 |
申请日期 |
2010.01.23 |
| 申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
PUDLEINER HEINZ;YESILDAG MEHMET CENGIZ;TZIOVARAS GEORGIOS;NICKEL JOERG;MEYER KLAUS |
| 分类号 |
B32B27/18;B32B27/20;B32B27/36;C08J5/18 |
主分类号 |
B32B27/18 |
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