Test strip and measurement device for its evaluation
US6441898B1 · kind B1 · utility
11Cited by
11References
32Claims
0Family size
Inventor
Key dates
| Filing date | Feb 25, 2000 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Feb 25, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/808
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a test strip for the optical determination of the concentration of a substance in a liquid, especially for blood sugar determination, including a strip-shaped carrier with a reaction field, defined by opaque material on the carrier, containing a reagent carrying medium, which reagent carrying medium upon wetting with the fluid to be investigated changes in regard to its reflectivity or transmissivity, the carrier consists of an optically transparent material onto which a thin-layered carrying medium containing the reagent is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.