US3308043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of discharging amalgam for inclined plane mercury cells
Assignee: De Nora SpA
•
Filing: 1962-10-31
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Granted: 1967-03-07
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Loftfield Richard Eric
- 👤 Barbato Alexander Louis
- 👤 Laub Henry William
- 👤 Messner Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:27
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/36; C25B11/00; C25B11/02; C25B11/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
300 words
THE METHOD OF OPERATING AN INCLINED PLANE MERCURY CELL HAVING AN ESSENTIALLY BOX TYPE CELL STRUCTURE WITH ANODES, A CATHODE BASE PLATE AND THE CELL COVER SUBSTANTIALLY PARALLEL, A MERCURY INLET, AN ELECTROLYTE INLET, A DEPLETED ELECTROLYTE AND GAS DISCHARGE OUTLET AT THE UPPER EDGE OF THE CELL, A MERCURY AMALGAM DISCHARGE END AND MEANS TO PASS AN ELECTROLYSIS CURRENT THROUGH SAID CELL WHICH COMPRISES MAINTAINING SAID CELL AT AN INCLINATION OF ABOUT 2* TO ABOUT 85* FROM THE HORIZONTAL, FILLING SAID CELL WITH ELECTROLYTE SUBSTANTIALLY TO THE UPPER EDGE THEREOF, FLOWING MERCURY DOWN SAID CATHODE BASE PLATE BETWEEN THE BASE PLATE AND THE ANODES, PASSING AN ELECTROLYSIS CURRENT THROUGH SAID CELL TO DECOMPOSE THE ELECTROLYTE AND FROM AMALGAM WITH SAID MERCURY, CHANGING THE DIRECTIONAL ANGLE OF AMALGAM FLOW AT THE MERCURY AMALGAM DISCHARGE END OF SAID CELL TO FORM A CHURNING POOL OF AMALGAM AT THE DISCHARGE END OF SAID CELL, WITH THE UPPER SURFACE OF SAID POOL IN CONTACT WITH THE ELECTROLYTE, ABSORBING THE KINETIC ENERGY OF SAID FLOWING AMALGAM STREAM IN SAID AMALGAM POOL AND CAUSING THE CHURINING MOTION AT THE SURFACE OF THE POOL TO KEEP SOLID IMPURITIES ON THE TOP OF THE AMALGAM POOL, CIRCULATING THE ELECTROLYTE BY THE GAS BUBBLES GENERATED BY THE ELECTROLYSIS OF SAID ELECTROLYTE MOVING VERTICALLY AND DIAGNOLLY UPWARD THROUGH SAID ELECTROLYTE ABOVE THE ANODES AND ALONG THE BOTTOM SIDE OF SAID CELL COVER TO THE UPPER EDGE OF THE CELL AND BY THE DOWNWARD FLOW OF MERCURY ON SAID CATHODE BASE PLATE TO CIRCULATE SAID ELECTROLYTE OVER THE CHURINING SURFACE OF SAID AMALGAM POOL TO REMOVE SOLID IMPURITIES FROM THE TOP OF THE AMALGAM POOL AND CARRY THEM OUT OF THE CELL, WHILE MAINTAINING THE ELECTROLYSIS CURRENT ON SAID ELECTROLYTE AND SAID AMALGAM AND THE ELECTRICAL CONTINUITY OF SAID AMALGAM.
Claim 2
Independent Claim
300 words
THE METHOD OF OPERATING AN INCLINED PLANE MERCURY CELL HAVING AN ESSENTIALLY BOX TYPE CELL STRUCTURE WITH ANODES, A CATHODE BASE PLATE AND THE CELL COVER SUBSTANTIALLY PARALLEL, A MERCURY INLET, AN ELECTROLYTE INLET, A DEPLETED ELECTROLYTE AND GAS DISCHARGE OUTLET AT THE UPPER EDGE OF THE CELL, A MERCURY AMALGAM DISCHARGE END AND MEANS TO PASS AN ELECTROLYSIS CURRENT THROUGH SAID CELL WHICH COMPRISES MAINTAINING SAID CELL AT AN INCLINATION OF ABOUT 2* TO ABOUT 85* FROM THE HORIZONTAL, FILLING SAID CELL WITH ELECTROLYTE SUBSTANTIALLY TO THE UPPER EDGE THEREOF, FLOWING MERCURY DOWN SAID CATHODE BASE PLATE BETWEEN THE BASE PLATE AND THE ANODES, PASSING AN ELECTROLYSIS CURRENT THROUGH SAID CELL TO DECOMPOSE THE ELECTROLYTE AND FROM AMALGAM WITH SAID MERCURY, CHANGING THE DIRECTIONAL ANGLE OF AMALGAM FLOW AT THE MERCURY AMALGAM DISCHARGE END OF SAID CELL TO FORM A CHURNING POOL OF AMALGAM AT THE DISCHARGE END OF SAID CELL, WITH THE UPPER SURFACE OF SAID POOL IN CONTACT WITH THE ELECTROLYTE, ABSORBING THE KINETIC ENERGY OF SAID FLOWING AMALGAM STREAM IN SAID AMALGAM POOL AND CAUSING THE CHURINING MOTION AT THE SURFACE OF THE POOL TO KEEP SOLID IMPURITIES ON THE TOP OF THE AMALGAM POOL, CIRCULATING THE ELECTROLYTE BY THE GAS BUBBLES GENERATED BY THE ELECTROLYSIS OF SAID ELECTROLYTE MOVING VERTICALLY AND DIAGNOLLY UPWARD THROUGH SAID ELECTROLYTE ABOVE THE ANODES AND ALONG THE BOTTOM SIDE OF SAID CELL COVER TO THE UPPER EDGE OF THE CELL AND BY THE DOWNWARD FLOW OF MERCURY ON SAID CATHODE BASE PLATE TO CIRCULATE SAID ELECTROLYTE OVER THE CHURINING SURFACE OF SAID AMALGAM POOL TO REMOVE SOLID IMPURITIES FROM THE TOP OF THE AMALGAM POOL AND CARRY THEM OUT OF THE CELL, WHILE MAINTAINING THE ELECTROLYSIS CURRENT ON SAID ELECTROLYTE AND SAID AMALGAM AND THE ELECTRICAL CONTINUITY OF SAID AMALGAM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |