发明名称 |
Aqueous-based air treating systems |
摘要 |
A system for the controlled release of air treating material comprising a hydrophilic membrane secured to a reservoir containing an active ingredient in aqueous medium, the membrane serving as the means for releasing the active ingredient to the atmosphere and for controlling the rate of release.
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申请公布号 |
US4248380(A) |
申请公布日期 |
1981.02.03 |
申请号 |
US19770864980 |
申请日期 |
1977.12.27 |
申请人 |
AIRWICK INDUSTRIES, INC. |
发明人 |
LEE, PING I.;KLEINER, EDUARD K. |
分类号 |
C10L3/00;A01M1/20;A61L9/12;B01D53/22;(IPC1-7):A61L9/04 |
主分类号 |
C10L3/00 |
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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