发明名称 |
Chemical upgrading of filters. |
摘要 |
The invention provides a filter treated with a humectant which may optionally be in combination with a surfactant. The treatment may also include a water soluble rheology modifier to alter the viscosity of water drawn onto the filter by the humectant. A tackifier may also be added. The invention also provides compositions suitable for application to a filter to carry out the treatment. The invention provides a method of "upgrading" a filter using the treatments and compositions described. |
申请公布号 |
ZA200207790(B) |
申请公布日期 |
2003.05.09 |
申请号 |
ZA20020007790 |
申请日期 |
2002.09.27 |
申请人 |
NOVAPHARM RESEARCH (AUSTRALIA) PTY. LTD. |
发明人 |
STEVEN KRITZLER |
分类号 |
B01D39/14;B01D27/06;B01D39/16;B01D39/18;B01D39/20;B01D46/10;B01F17/00;B01F17/10;B01F17/38;B01F17/42;F24F3/16 |
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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