Patent · US Active

Sampler for liquid chromatography

US11867669B2 · kind B2 · utility

0Cited by
49References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 7, 2022
Grant dateJan 9, 2024
Priority date
Expiry dateApr 7, 2042

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.