| 发明名称 |
FILTER PAPER AND AIR FILTER USING THE SAME |
| 摘要 |
<p>PURPOSE:To provide an air filter which can catch particles and control a boron concentration at 10kg/m<3>. CONSTITUTION:Paper made by a wet process using glass fibers of 0.2-12mum diameter is impregnated with l-23wt.% of paper of a polyhydric alcohol or its derivatives having two or more asymmetric carbons to make filter paper.</p> |
| 申请公布号 |
JPH07194911(A) |
申请公布日期 |
1995.08.01 |
| 申请号 |
JP19940283181 |
申请日期 |
1994.11.17 |
| 申请人 |
NITTA IND CORP |
发明人 |
SUMIOKA MASAYUKI;OTSUKA KAZUHIKO;ASAHI TSUKASA |
| 分类号 |
B01D53/46;B01D39/14;B01D39/18;B01D39/20;B01D46/52;(IPC1-7):B01D39/14 |
主分类号 |
B01D53/46 |
| 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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