Patent · US Expired

Device for use in chemical test procedures

US5141868A · kind A · utility

854Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1989
Grant dateAug 25, 1992
Priority date
Expiry dateNov 27, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/0346
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A specifically-reactive sample-collecting and testing device possessing a cavity or cavities each having a dimension small enough to enable sample liquid to be drawn into the cavity by capillary action, wherein said cavity includes an electrode structure for making measurements of one or more electrically measurable characteristics of the sample, and wherein a surface of a wall of the cavity optionally also carries a coating of a material appropriate to the test to be carried out in the device.

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