Patent · US Expired

Sample introduction system

US7384604B2 · kind B2 · utility

4Cited by
24References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 2002
Grant dateJun 10, 2008
Priority date
Expiry dateDec 18, 2024

Classification

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

Abstract

A sample introduction system includes at least two, and preferably three, syringe pumps. The flow rates of two of the syringe pumps are varied, while keeping the overall flow rate constant. The sample introduction system is preferably utilized in an analytical instrument, such as to determine the concentration of an analyte in a sample.

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