US2967807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic decomposition of sodium chloride
Assignee: Hooker Chemical Corp
•
Filing: 1952-01-23
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Granted: 1961-01-10
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Expires: 1972-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Osborne
- 👤 George T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:13
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46; C25B1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE METHOD OF PRODUCING THE ELECTROLYTIC DECOMPOSITION OF SODIUM CHLORIDE AND PRODUCING CHLORINE AND SODIUM HYDROXIDE COMPRISING INTRODUCING THE SODIUM CHLORIDE AND WATER INTO A MULTI-COMPARTMENT ELECTROLYTIC CELL, SAID CELL HAVING AN ANODE COMPARTMENT RECEIVING ELECTROLYTE AND DISCHARGING CHLORINE AND AN ANODE IN CONTACT WITH SAID LIQUID ELECTROLYTE, AND A CATHODE COMPARTMENT RECEIVING ELECTROLYTE AND DISCHARGING SODIUM HYDROXIDE AND A CATHODE IN CONTACT WITH SAID LIQUID ELECTROLYTE, FORMING A MEMBRANE BY COMBINING A SUPPORTING MATERIAL WITH AN ION EXCHANGE RESIN DISPERSED THEREIN AND POLYMERIZED TO AN INSOLUBLE INFUSIBLE CONDITION, SEALING THE MEMBRANE TO SUBSTANTIAL IMPREMEABILITY TO PASSAGE OF LIQUIDS AND GASES AND TO IONS OF A GIVEN SIGN WHILE PASSING IONS OF THE OPPOSITE SIGN, BEING COMPOSED OF MATERIAL HAVING THE CHARACTERISTICS OF AN IONIZED SALT PAIR, INTERPOSING SAID MEMBRANE BETWEEN THE ELECTRODE COMPARTMENTS, MAINTAINING THE MEMBRANE WET WITH ELECTROLYTE, IMPRESSING A DECOMPOSITION VOLTAGE ACROSS SAID ELECTRODES AND RECOVERING THE CHLORINE AND SODIUM HYDROXIDE PRODUCTS OF ELECTROLYSIS SO PRODUCED.
Claim 2
Independent Claim
159 words
THE METHOD OF PRODUCING THE ELECTROLYTIC DECOMPOSITION OF SODIUM CHLORIDE AND PRODUCING CHLORINE AND SODIUM HYDROXIDE COMPRISING INTRODUCING THE SODIUM CHLORIDE AND WATER INTO A MULTI-COMPARTMENT ELECTROLYTIC CELL, SAID CELL HAVING AN ANODE COMPARTMENT RECEIVING ELECTROLYTE AND DISCHARGING CHLORINE AND AN ANODE IN CONTACT WITH SAID LIQUID ELECTROLYTE, AND A CATHODE COMPARTMENT RECEIVING ELECTROLYTE AND DISCHARGING SODIUM HYDROXIDE AND A CATHODE IN CONTACT WITH SAID LIQUID ELECTROLYTE, FORMING A MEMBRANE BY COMBINING A SUPPORTING MATERIAL WITH AN ION EXCHANGE RESIN DISPERSED THEREIN AND POLYMERIZED TO AN INSOLUBLE INFUSIBLE CONDITION, SEALING THE MEMBRANE TO SUBSTANTIAL IMPREMEABILITY TO PASSAGE OF LIQUIDS AND GASES AND TO IONS OF A GIVEN SIGN WHILE PASSING IONS OF THE OPPOSITE SIGN, BEING COMPOSED OF MATERIAL HAVING THE CHARACTERISTICS OF AN IONIZED SALT PAIR, INTERPOSING SAID MEMBRANE BETWEEN THE ELECTRODE COMPARTMENTS, MAINTAINING THE MEMBRANE WET WITH ELECTROLYTE, IMPRESSING A DECOMPOSITION VOLTAGE ACROSS SAID ELECTRODES AND RECOVERING THE CHLORINE AND SODIUM HYDROXIDE PRODUCTS OF ELECTROLYSIS SO PRODUCED.
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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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |