| 发明名称 |
FILTER MATERIAL, FILTER, AND DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filter rich in waterproof property and excellent in air permeability even if being a thin film. <P>SOLUTION: The filter is composed of a polyurethane porous membrane. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2012011326(A) |
申请公布日期 |
2012.01.19 |
| 申请号 |
JP20100150793 |
申请日期 |
2010.07.01 |
| 申请人 |
HIRAMATSU SANGYO KK |
发明人 |
ASANO AKIRA;ORIUCHI MASAKI |
| 分类号 |
B01D39/16;B01D46/54;B01D63/00;B01D71/54 |
主分类号 |
B01D39/16 |
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