发明名称 |
Particulate filter medium and process |
摘要 |
Improved filter media comprised of negatively charged high surface area particulate filter material the surface of which is modified with a melamine-formaldehyde cationic colloid; processes for the preparation thereof; and use in liquid filtration to remove submicron contaminants including negatively charged particles.
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申请公布号 |
US4007113(A) |
申请公布日期 |
1977.02.08 |
申请号 |
US19750598097 |
申请日期 |
1975.07.22 |
申请人 |
AMF INCORPORATED |
发明人 |
OSTREICHER, EUGENE A. |
分类号 |
A61K39/395;B01D36/00;B01D39/00;B01D39/02;B01D39/20;B01D67/00;(IPC1-7):B01D13/00 |
主分类号 |
A61K39/395 |
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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