Diagnostic test system verification method using serum free glucose control containing quaternary ammnonium polymer
US5453378A · kind A · utility
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6References
9Claims
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Key dates
| Filing date | Feb 24, 1994 |
| Grant date | Sep 26, 1995 |
| Priority date | — |
| Expiry date | Feb 24, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/106664
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a serum free control reagent formulation useful for the determination of a pre-selected analyte. The formulation involves an aqueous solution of a predetermined amount of the analyte together with a polymerized quaternary salt of di- or mono- allyl, di- or tri- alkyl ammonium characterized by the formulae: ##STR1## where R is straight or branched chain alkyl of 1 to 4 carbon atoms, n is a number of at least 9 and .theta. represents a counteranion. The formulation typically contains a buffer to maintain its pH at a level of about 7.5 and a preservative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.