Test for fecal occult blood
US5391498A · kind A · utility
22Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Dec 13, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q2326/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Improved fecal occult blood test having a matrix such as paper printed or impregnated with guaiac. The improvement comprises increasing the sensitivity while maintaining or improving the specificity of the test by employing an alcoholic-peroxide developing solution which contains an enhancing agent. The enhancers comprise phenolic type compounds such as esters of parahydroxybenzoic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.