| 发明名称 |
AIR FILTER COMPRISING A MICROPERFORATED FILM, AND METHOD OF USING |
| 摘要 |
Filter media including a microperforated film with tapered microperforations, and a nonwoven web positioned upstream of the microperforated film. Framed air filters incorporating such filter media, and methods of using such filter media. |
| 申请公布号 |
CA2926807(A1) |
申请公布日期 |
2015.04.16 |
| 申请号 |
CA20142926807 |
申请日期 |
2014.10.06 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
CASTRO, GUSTAVO H.;SANOCKI, STEPHEN M.;SLAMA, DAVID F. |
| 分类号 |
B01D46/00;B01D39/00 |
主分类号 |
B01D46/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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