US2870074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolysis of alkali metal chloride brine
Assignee: Diamond Shamrock Corp
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Filing: 1955-06-21
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Granted: 1959-01-20
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Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Parker Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:26
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; C25B11/044; D; D06; D06B; D06B23/00; D06B2700/00; D06B2700/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
THE METHOD OF ELECTROLYZING AN ALKALI METAL CHLORIDE BRINE WHICH COMPRISES PASSING AN ELECTRIC CURRENT BETWEEN AN ANODE AND A CATHODE THROUGH AN ALKALI METAL CHLORIDE BRINE SOLUTION, SAID ANODE COMPRISING A CARBON MEMBER IMPREGNATED WITH AN ALKALI METAL SILICATE.
References Cited (Backward Citations)
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US1000761A
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US2074885A
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US2680081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |