| 发明名称 |
Extraction articles and methods |
| 摘要 |
This invention provides a one-piece multilayer article for use in solid phase extraction that includes at least two porous support layers and a solid phase extraction medium, wherein the porous support layers are thermo-mechanically attached at at least one thermo-mechanical attachment site. At least one of the porous support layers can be a prefilter layer.
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| 申请公布号 |
US6492183(B1) |
申请公布日期 |
2002.12.10 |
| 申请号 |
US20010787133 |
申请日期 |
2001.03.13 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
PERMAN CRAIG A.;ANSERA TAIB K.;WISTED ERIC E.;BERRIGAN MICHAEL R.;JACOBSON JASON R.;BAYER, JR. GLEN H. |
| 分类号 |
B01D15/00;B01D11/02;B01D17/02;B01D29/01;B01D39/14;B01D39/16;B01J20/22;B01J20/26;B01J20/28;B23K20/10;B32B5/22;B32B5/30;D04H13/00;(IPC1-7):G01N1/18 |
主分类号 |
B01D15/00 |
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