Method of improving coverage of chromogenic reaction product
US5880063A · kind A · utility
3Cited by
14References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Mar 6, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J1/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Coverage of a chromogenic reaction product over a substrate is improved by incorporating a color developer in the substrate and coating the substrate with a color former to form a colored reaction product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.