Gas sensors
US5470756A · kind A · utility
8Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1992 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Nov 19, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
SnO.sub.2 gas sensors are described incorporating Bi.sub.2 O.sub.3 in an amount less than 35% but sufficient to confer hydrogen sensitivity and selectivity to the sensors described comprises 25% by weight Bi.sub.2 O.sub.3 and incorporates a platinum catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.