Autosampler seal pack for reducing a carryover percentage
US11327055B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Mar 28, 2019 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Jul 18, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/185
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A seal pack of a sample manager of a liquid chromatography system having a plurality of wash flow pathways fluidically connected to a central pathway that accommodates a sample needle, wherein a first wash flow pathway is vertically offset from a second wash flow pathway, such that a wash solution flows axially along an exterior surface of the sample needle in a vertical direction to wash the sample needle when flowing from the first wash flow pathway to the vertically offset second wash flow pathway, is provided. Furthermore, an autosampler and associated methods are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.