| 发明名称 |
BIAXIALLY ORIENTED MICROPOROUS MEMBRANE |
| 摘要 |
A microporous membrane is made by a dry-stretch process and has substantially round shaped pores and a ratio of machine direction tensile strength to transverse direction tensile strength in the range of 0.5 to 5.0. |
| 申请公布号 |
EP1993811(A2) |
申请公布日期 |
2008.11.26 |
| 申请号 |
EP20070756952 |
申请日期 |
2007.02.14 |
| 申请人 |
CELGARD LLC |
发明人 |
WEI, XIANGYUN;HAIRE, CHARLES |
| 分类号 |
B29C39/00;D01D5/12 |
主分类号 |
B29C39/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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