Device for solid phase extraction and method for purifying samples prior to analysis
US7052611B2 · kind B2 · utility
1Cited by
30References
8Claims
0Family size
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Key dates
| Filing date | Feb 24, 2004 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Sep 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/255
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A solid phase extraction (SPE) device having a reservoir with an opening; a well comprising an internally tapered wall, the well having a wider interior diameter at an end closest to the opening than at an exit spout; a first filter within the well; a bed of sorbent particles within the well below the first filter; and a second filter having a diameter smaller than the first filter within the well below the bed of sorbent particles and above the exit spout is provided. A method of performing SPE using the device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.