发明名称 |
Method of a single element complete air filtering structure for a respirator filter cartridge |
摘要 |
A respirator filter formed of a cast polymeric matrix having a controlled porosity and inclusion of toxic gas absorbing and/or neutralizing chemicals. The chemicals are introduced into the casting precursor or added after polymerization, e.g. by imbibition with a solvent carrier and deposition by solvent evaporation.
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申请公布号 |
US4383956(A) |
申请公布日期 |
1983.05.17 |
申请号 |
US19810230132 |
申请日期 |
1981.01.30 |
申请人 |
AMERICAN OPTICAL CORPORATION |
发明人 |
CROFT, GEORGE T.;HOVEY, RICHARD J. |
分类号 |
A62B19/00;A62D9/00;B01D53/02;B01J20/28;B29C67/20;C08J9/26;(IPC1-7):B29D27/00;B01D39/14;B01D53/14;B01J20/04 |
主分类号 |
A62B19/00 |
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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