Luminescent chemical sensor for gases
US4752588A · kind A · utility
8Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1987 |
| Grant date | Jun 21, 1988 |
| Priority date | — |
| Expiry date | Mar 30, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/643
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The presence of certain chemicals on the emitting surface of the surface-derivatized photoluminescent semiconductor alters the characteristics of radiation emitted from said surface. This alteration is used to indicate the presence of those chemicals in the environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.