Method of determining trace amounts of gases
Abstract
Abstract METHOD OF DETECTING TRACE AMOUNTS OF VOLATILE SUBSTANCES SUCH AS CARBIN OXIDES, NITROGEN OXIDES, SULFUROXIDES AND OXYGEN, COMPRISING TAKING A MEASURED SAMPLE OF THE GASEOUS MIXTURE CONTAINING THE GAS TO BE DETECTED, SEPARATING THE GAS BEING DETECTED FROM THE MIXTURE WHERE NECESSARY, FORMING A FIRST COMPONENT WHICH INCLUDES THE GAS BEING DETECTED AND, PREFERABLY, A CARRIER GAS, PROVIDING A SECOND COMPONENT WHICH CONTAINS A SUBSTANCE TO BE REACTED WITH THE FIRST COMPONENT TO PRODUCE CHEMIIONS, ACTIVATING AT LEAST ONE OF THE SUBSTANCES TO PRODUCE THE SPECIES NECESSARY TO FORM CHEMI-IONS, MIXING THE COMPONENTS TO FORM THE CHEMI-IONS, PASSING THE MIXTURE BETWEEN ELECTRODES AND MEASURING AN ELECTRICAL CURRENT PRODUCED BY THE CHEMI-IONS FORMED.
Inventors
- 👤 A Fontijn
- 👤 P Vree
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |