Method in counterflow isotachophoresis
Abstract
Abstract METHOD IN COUNTERFLOW ISOTACHOPHORESIS. INTO A COLUMN PROVIDED WITH TWO ELECTRODES A SAMPLE COMPRISING IONS OF DIFFERENT MOBILITY TO BE SEPARATED IS INTRODUCED TOGETHER WITH A FIRST ELECTROLYTE BETWEEN THE SAMPLE AND ONE OF THE ELECTRODES AND A SECOND ELECTROLYTE BETWEEN THE SAMPLE AND THE OTHER ELECTRODE. THESE FIRST AND SECOND ELECTROLYTES COMPRISE IONS OF HIGHER AND LOWER MOBILITY RESPECTIVELY THAN THE IONS OF SAID SAMPLE. A VOLTAGE IS APPLIED TO THE ELECTRODES AND A PRESSURE IS APPLIED TO ONE OF SAID ELECTROLYTES. A BOUNDARY BETWEEN ZONES OF IONS HAVING DIFFERENT MOBILITIES IS DETECTED AND FROM THIS DETECTION A CONTROL SIGNAL IS GENERATED, SAID CONTROL SIGNAL CONTROLLING SAID PRESSURE AND/OR SAID VOLTAGE.
Inventors
- 👤 Frans Everaerts
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |