Patent · US Expired

Ion-sensitive membrane electrode

US4670127A · kind A · utility

8Cited by

2References

4Claims

0Family size

Assignee

AVL AG · CH

Inventors

Christoph Ritter · Sorocaba, BR
Massoud Ghahramani · Semriach, AT
Hermann Marsoner · St. Johann in Tirol, AT

Key dates

Filing date	Nov 18, 1985
Grant date	Jun 2, 1987
Priority date	—
Expiry date	Nov 18, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG01N27/3335
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In order to produce a sensitive membrane electrode with high selectivity with respect to other anions and lipophilic ions or interfering substances, the membrane is based on an unplasticized polymer matrix whose content of electroactive component is between 50 and 90 percent by weight.

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