Patent · US Expired

Phosphorescent oxygen sensors

US6565992B1 · kind B1 · utility

4Cited by
5References
47Claims
0Family size

Inventors

Key dates

Filing dateNov 10, 1998
Grant dateMay 20, 2003
Priority date
Expiry dateNov 10, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/207497
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A pressure sensor comprising a stable polymer having a backbone containing nitrogen and one or more of sulfur or phosphorous, and including a phosphorescent dye agent.

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