Test for fecal occult blood
US5310680A · kind A · utility
20Cited by
12References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1993 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Feb 24, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/206664
- 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.