| 发明名称 |
THERMOPLASTIC FILM FOR USE IN THE MANUFACTURE OF FORGERY-RESISTANT IDENTIFICATION DOCUMENTS |
| 摘要 |
<p>A thermoplastic protective film for use in the manufacture of forgery-resistant identification documents, comprising a base layer and a cover layer comprising a partially hydrolyzed olefin/vinyl ester copolymer. The cover-layer side of the film is laminated under the action of heat to the identification document.</p> |
| 申请公布号 |
CA1170158(A) |
申请公布日期 |
1984.07.03 |
| 申请号 |
CA19810381524 |
申请日期 |
1981.07.10 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
DALLMANN, HERMANN;PALMEN, HANS J. |
| 分类号 |
B42D15/02;B44C5/02;(IPC1-7):B42D15/02 |
主分类号 |
B42D15/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
