Patent US2673837A successfully refreshed from Google Patents.
US2673837A
Expired / Lapsed
US
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Electrolytic production of fluoborates
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1949-06-22
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Granted: 1954-03-30
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Expires: 1969-06-22
Abstract
No abstract record available.
Inventors
- 👤 Charles S Lowe
- 👤 Herbert E Ricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A METHOD FOR ELECTROLYTICALLY PRODUCING A FLUOBORATE OF THE GROUP CONSISTING OF LEAD FLUOBORATE AND TIN FLUOBORATE THE IMPROVEMENT COMPRISING PROVIDING FLUOBORATE ACID AS AN ELECTROLYTE IN A CELL HAVING A CATHODE AND AN ANODE AT LEAST A PORTION OF THE ACTIVE SURFACE OF SAID ANODE BEING FORMED OF THE METAL THE FLUOBORATE SALT OF WHICH IS BEING PRODUCED, PASSING AN ELECTRIC CURRENT THROUGH SAID CELL WHILE MAINTAINING THE REACTIVE CURRENT DENSITIES OF THE CATHODE AND ANODE SUCH THAT THE CURRENT DENSITY OF THE CATHODE IS AT LEAST 5 TIMES THAT OF THE ANODE AND MAINTAINING THE TEMPERATURE OF THE ELECTROLYTE IN THE IMMEDIATE VICINITY OF SAID CATHODE BELOW 100* F. AND BELOW THE TEMPERATURE OF THE MAIN BODY OF THE ELECTROLYTE IN SAID CELL.
Claim 2
Dependent Claim
126 words
IN A METHOD FOR ELECTROLYTICALLY PRODUCING A FLUOBORATE OF THE GROUP CONSISTING OF LEAD FLUOBORATE AND TIN FLUOBORATE THE IMPROVEMENT COMPRISING PROVIDING FLUOBORATE ACID AS AN ELECTROLYTE IN A CELL HAVING A CATHODE AND AN ANODE AT LEAST A PORTION OF THE ACTIVE SURFACE OF SAID ANODE BEING FORMED OF THE METAL THE FLUOBORATE SALT OF WHICH IS BEING PRODUCED, PASSING AN ELECTRIC CURRENT THROUGH SAID CELL WHILE MAINTAINING THE REACTIVE CURRENT DENSITIES OF THE CATHODE AND ANODE SUCH THAT THE CURRENT DENSITY OF THE CATHODE IS AT LEAST 5 TIMES THAT OF THE ANODE AND MAINTAINING THE TEMPERATURE OF THE ELECTROLYTE IN THE IMMEDIATE VICINITY OF SAID CATHODE BELOW 100* F. AND BELOW THE TEMPERATURE OF THE MAIN BODY OF THE ELECTROLYTE IN SAID CELL.
References Cited (Backward Citations)
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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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |