Patent · US Expired

Element for detecting the presence of combustible gases in a gaseous atmosphere

US4077775A · kind A · utility

6Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 1976
Grant dateMar 7, 1978
Priority date
Expiry dateNov 1, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/16
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Element for detecting the presence of combustible gases in a gaseous atmosphere containing at least one oxidizing agent, comprising a microporous support consisting essentially of a mixture of gamma-and/or eta-alumina and refractory fibres, a catalyst layer based on a metal or an oxide of a metal from the family of the platinoids, located on at least a part of the surface of the microporous support, and a filament based on platinum, of which at least a part is wound round the said support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.