Patent · US Active

Sample injector system for liquid chromatography

US8173070B2 · kind B2 · utility

6Cited by

11References

54Claims

0Family size

Assignee

Waters Technologies Corporation · US

Inventors

Geoff C. Gerhardt · Fairhaven, US
James W. Jorgenson · Chapel Hill, US
Keith Fadgen · Hope Valley, US

Key dates

Filing date	Jan 18, 2005
Grant date	May 8, 2012
Priority date	—
Expiry date	Oct 12, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/2575
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An injection device (10) includes a carrier inlet (40), a sample inlet (46), waste outlet (44) and a chamber outlet (64) attached to separation column (66). Valves (52, 54, 56) are used to control flow such that sample flows into chamber (22) and is carried into the chamber outlet (42).

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