| 发明名称 |
METAL-FREE BARRIER-LAYER FILMS |
| 摘要 |
The invention relates to composite films having a particularly good barrier effect against gases and water vapor without a metal layer, for example of aluminum, having to be present.
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| 申请公布号 |
US5230948(A) |
申请公布日期 |
1993.07.27 |
| 申请号 |
US19920886639 |
申请日期 |
1992.05.20 |
| 申请人 |
WOLFF WALSRODE AKTIENGESELLSCHAFT |
发明人 |
PREISS, HOLGER;BOCHOW, RICHARDA;LUND, KLAUS |
| 分类号 |
B32B7/02;B32B7/12;B32B27/08;B32B27/30;B32B27/32;B65D65/40 |
主分类号 |
B32B7/02 |
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