Patent · US Active

Sampler for liquid chromatography

US11307178B2 · kind B2 · utility

0Cited by
44References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 25, 2019
Grant dateApr 19, 2022
Priority date
Expiry dateJan 27, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2030/202
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A sampler for liquid chromatography is described. The sampler includes an injection valve and a sample loop. The injection valve includes one waste port, two sample loop ports, and two high-pressure ports. The sample loop port includes a first loop part and a second loop part. The injection valve can be configured to have LOAD position and INJECT position. The injection valve can also be configured to have one or more additional positions such as a FULL PURGE position, a PUMP PURGE position, and a NEGATIVE PRESSURE position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.