US3043757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of sodium chlorate
Assignee: Olin Corp
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Filing: 1959-07-08
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Granted: 1962-07-10
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Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25B1/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN AN ELECTROLYTIC PROCESS FOR THE PRODUCTION OF SODIUM CHLORATE IN WHICH A CHLORATE BRINE CONTAINING SODIUM CHLORIDE AND SODIUM CHLORATED IS ELECTROLYZED BETWEEN ELECTRODES SELECTED FROM THE GROUP CONSISTING OF STEEL AND COMPOSITE ELECTRODES, AT LEAST THE ANODES BEING COMPOSITE ELECTRODES, SAID COMPOSITE ELECTRODES CONSISTING OF A CORE OF TITANIUM BEARING PLATINUM SUPERFICIALLY THEREON, THE IMPROVEMENT WHICH COMPRISES ELECTROLYZING AT A TEMPERATURE OF ABOUT 105 TO 123*C., SIMULTANEOUSLY VAPORIZING AND REMOVING WATER FROM THE CHLORATE BRINE TO MAINTAIN A CHLORATE CONCENTRATION IN THE CHLORATE BRINE OF ABOUT 675 TO 800 GRAMS PER LITER, REMOVING THE CHLORATE BRINE FROM THE ZONE OF ELECTROLYSIS, COOLING TO CRYSTALLIZE SODIUM CHLORATE FROM THE ELECTROLYZED CHLORATE BRINE AND SEPARATING THE CRYSTALS FROM THE RESIDUAL LIQUOR, FORTIFYING THE RESIDUAL LIQUOR BY ADDING SODIUM CHLORIDE BRINE AND CHARGING THE FORTIFIED CHLORATE BRINE TO THE ELECTROLYSIS.
Claim 2
Dependent Claim
139 words
IN AN ELECTROLYTIC PROCESS FOR THE PRODUCTION OF SODIUM CHLORATE IN WHICH A CHLORATE BRINE CONTAINING SODIUM CHLORIDE AND SODIUM CHLORATED IS ELECTROLYZED BETWEEN ELECTRODES SELECTED FROM THE GROUP CONSISTING OF STEEL AND COMPOSITE ELECTRODES, AT LEAST THE ANODES BEING COMPOSITE ELECTRODES, SAID COMPOSITE ELECTRODES CONSISTING OF A CORE OF TITANIUM BEARING PLATINUM SUPERFICIALLY THEREON, THE IMPROVEMENT WHICH COMPRISES ELECTROLYZING AT A TEMPERATURE OF ABOUT 105 TO 123*C., SIMULTANEOUSLY VAPORIZING AND REMOVING WATER FROM THE CHLORATE BRINE TO MAINTAIN A CHLORATE CONCENTRATION IN THE CHLORATE BRINE OF ABOUT 675 TO 800 GRAMS PER LITER, REMOVING THE CHLORATE BRINE FROM THE ZONE OF ELECTROLYSIS, COOLING TO CRYSTALLIZE SODIUM CHLORATE FROM THE ELECTROLYZED CHLORATE BRINE AND SEPARATING THE CRYSTALS FROM THE RESIDUAL LIQUOR, FORTIFYING THE RESIDUAL LIQUOR BY ADDING SODIUM CHLORIDE BRINE AND CHARGING THE FORTIFIED CHLORATE BRINE TO THE ELECTROLYSIS.
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |