Clotting assay and reagent therefor
US4455377A · kind A · utility
12Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1982 |
| Grant date | Jun 19, 1984 |
| Priority date | — |
| Expiry date | May 7, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/86
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Blood clotting function assays are improved by the use of a colloidal silica contact activator made by the process comprising (a) contacting an alkali silicate solution with an ion-exchange material for removing alkali metal ions from the silicate solution, and (b) recovering the colloidally dispersed particles from the ion exchange material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.