发明名称 |
COMPOSITE FIBROUS FILTERS |
摘要 |
<p>Disclosed are novel composite fibrous structures which have utility as filters. These composite structures have at least two layers. The first layer is a nonwoven fibrous structure made from uniquely grooved fibers. The second layer is of a fibrous material that offers high filter efficiency. The first layer has significantly lower pressure drop and higher dust holding capacity than the second layer.</p> |
申请公布号 |
WO9700114(A1) |
申请公布日期 |
1997.01.03 |
申请号 |
WO1996US08383 |
申请日期 |
1996.06.04 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
BAGRODIA, SHRIRAM;PHILLIPS, BOBBY, MAL;HAILE, WILLIAM, ALSTON |
分类号 |
B01D39/14;B01D39/16;B01D46/30;B03C3/155;B32B5/26;D01D5/253;D04H3/16;(IPC1-7):B01D29/56;D04H1/56;B03C3/28 |
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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