Patent · US Expired

Method for measuring the concentration or partial pressure of oxygen

US4994396A · kind A · utility

16Cited by
12References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1987
Grant dateFeb 19, 1991
Priority date
Expiry dateDec 14, 2007

Classification

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

Abstract

A sensor and a method for determining the concentration or the partial pressure of oxygen comprising: PA0 (a) means for transmitting and collecting light to and from a light modifying medium; and PA0 (b) a light modifying medium containing a luminescent dye dispersed in or upon a matrix and the dye is accessible to oxygen, wherein said luminescent dye contains a hexanuclear core of molybdenum, tungsten or mixtures thereof having 14 coordination sites, wherein each coordination site is occupied by a ligand.

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