US2715608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolysis of aqueous solutions of mixtures of potassium and sodium chloride
Assignee: Niagara Alkali Co
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Filing: 1952-04-08
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Granted: 1955-08-16
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Expires: 1972-04-08
Abstract
No abstract record available.
Inventors
- 👤 Casciani Ferri
- 👤 Edward J Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:09
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/14; C25B1/16; C01; C01D; C01D3/00; C25B1/24; C25B1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR OBTAINING AS SEPARATE PRODUCTS POTASSIUM CHLORIDE, CHLORINE, HYDROGEN AND MIXED SODIUM AND POTASSIUM HYDROXIDES FROM MIXTURES COMPRISING SUBSTANTIAL AMOUNTS OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE, WHICH COMPRISES SUBJECTING A CELL FEED BRINE, AS ANOLYTE, COMPRISING AN AQUEOUS SOLUTION OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE IN PROPORTIONS PROVIDING A MOLE ION RATIO
Claim 2
Dependent Claim
54 words
A PROCESS FOR OBTAINING AS SEPARATE PRODUCTS POTASSIUM CHLORIDE, CHLORINE, HYDROGEN AND MIXED SODIUM AND POTASSIUM HYDROXIDES FROM MIXTURES COMPRISING SUBSTANTIAL AMOUNTS OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE, WHICH COMPRISES SUBJECTING A CELL FEED BRINE, AS ANOLYTE, COMPRISING AN AQUEOUS SOLUTION OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE IN PROPORTIONS PROVIDING A MOLE ION RATIO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |