| Application number | Title of the application | Filing Date | Status |
|---|
| 06/272210 | ELECTRODE FOR MEASUREMENT OF ION ACTIVITY | Jun 9, 1981 | Abandoned |
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| 06/262091 | POLAROGRAPHIC OXYGEN SENSOR | May 10, 1981 | Abandoned |
| 06/260258 | ELECTROCHEMICAL OXYGEN SENSOR, PARTICULARLY FOR ANALYSIS OF COMBUSTION GASES FROM INTERNAL COMBUSTION ENGINES, AND METHOD OF MANUFACTURE | May 3, 1981 | Abandoned |
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| 06/256968 | METHOD AND ELECTROCATALYST FOR MAKING CHLORINE DIOXIDE | Apr 22, 1981 | Abandoned |
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| 06/249373 | POTENTIOMETRIC ELECTRODE DETECTOR | Mar 30, 1981 | Abandoned |