Urine preservative reagent for microfiltration
US10368541B2 · kind B2 · utility
0Cited by
3References
8Claims
0Family size
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Key dates
| Filing date | Mar 13, 2014 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Jan 30, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/574
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A preservative reagent for urine is disclosed that increases the stability of cells, such as tumor cells, in urine for a period of several weeks. The preservative reagent comprises polyethylene glycol (PEG), ethanol, paraformaldehyde (PFA), and ethylenediaminetetraacetic acid (EDTA), and optionally pH stabilizing reagents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.