发明名称 |
Composite fibrous filters |
摘要 |
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.
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申请公布号 |
US5496627(A) |
申请公布日期 |
1996.03.05 |
申请号 |
US19950491387 |
申请日期 |
1995.06.16 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
BAGRODIA, SHRIRAM;PHILLIPS, BOBBY M.;HAILE, WILLIAM A. |
分类号 |
B01D39/14;B01D39/16;B01D46/30;B03C3/155;B32B5/26;D01D5/253;D04H3/16;(IPC1-7):D02G3/00;B32B3/00 |
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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