Ethanol analytical element
US5294540A · kind A · utility
4Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1992 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Feb 3, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/204165
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multilayer analytical element for quantitatively assaying ethanol comprising a tetrazolium salt, alcohol dehydrogenase, NAD.sup.+, and an electron transfer agent characterized in that the layer comprising the electron transfer agent also includes a polymer having recurring negatively charged groups and the NAD.sup.+ is in a different layer is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.