| 发明名称 |
FILTER MEDIA HAVING AN UNDULATED SURFACE |
| 摘要 |
Filter media is provided. The filter media comprises a web (30) of melt blown microfibers having one surface substantially flat (33) and the other surface having periodic wrinkle-like undulations (32). A method of making the filter media is also provided. The filter media is useful in electret filters when charged. |
| 申请公布号 |
WO9505232(A1) |
申请公布日期 |
1995.02.23 |
| 申请号 |
WO1994US09277 |
申请日期 |
1994.08.17 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
BERRIGAN, MICHAEL, R.;OLSON, DAVID, A. |
| 分类号 |
B01D39/14;A41D13/11;B01D39/08;B01D39/16;D04H1/46;D04H1/56;D04H13/00;D06M10/00;D06M10/02 |
主分类号 |
B01D39/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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