Autosampler seal pack for reducing a carryover percentage
US12013379B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Apr 8, 2042 |
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.