Pump unit and chromatograph
US12146868B2 · kind B2 · utility
0Cited by
7References
9Claims
0Family size
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Key dates
| Filing date | Nov 5, 2020 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Aug 22, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/326
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pump unit includes a pump and a metal ion trap. The pump includes a metal member that comes into contact with a mobile phase. The pump pumps a mobile phase through a flow path. The metal ion trap includes a filter element. The filter element includes a metal ion retention structure for retaining metal ions by interacting with the metal ions included in a mobile phase. The filter element is provided in the flow path for a mobile phase pumped by the pump. The pump unit may be provided in a chromatograph.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.