Detecting gases and respiration by the conductivity of water within a porous substrate sensor
US10712337B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 22, 2015 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Sep 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/4975
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of and system for detecting a gas or vapor includes providing a sensor comprising an electrode pair in electrical contact with a layer of porous material, the porous material layer having water adsorbed on its surface; contacting the sensor with a gas or vapor sample to be analysed; applying a voltage across the electrode pair of the sensor; and measuring a response, the response correlating to the presence of a target gas or vapor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.