Patent · US Expired

Colorimetric enzymic analysis

US5527509A · kind A · utility

14Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1992
Grant dateJun 18, 1996
Priority date
Expiry dateSep 30, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/81
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A colorimetric enzymic analytical test element comprises a support and a plurality of reaction zones incorporating a dried enzyme composition, dyestuff and reagent adapted to provide a substantial dosage independent colorimetric display when the concentration of an analyte applied to the elements exceeds a predetermined value.

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