Patent · US Expired

Detection of electron acceptor gases using sulfur-selenium fulvalenes

US5244812A · kind A · utility

2Cited by
12References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1991
Grant dateSep 14, 1993
Priority date
Expiry dateDec 3, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/19
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

NO.sub.2 and other electron acceptor gases can be detected at 5 volume parts per million by tetrathiafulvalene TTF. The TTF may be incorporated in a polystyrene film, which changes its infra-red spectrum and conductivity upon exposure to such gases.

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