US2615932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing porous carbon electrodes
Assignee: OLGA BURKLI
•
Filing: 1950-02-28
•
Granted: 1952-10-28
•
Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Marko Adolf
- 👤 Kordesch Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:52
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8803; H01M4/8807; H01M12/00; H01M12/04; H01M12/06; H01M4/02; H01M4/36; H01M4/48; H01M4/56; H01M4/8825; H01M4/8846; H01M4/885; H01M4/96; H01M4/8878; H01M4/8882; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A PROCESS FOR MANUFACTURING POROUS CARBON ELECTRODES FOR USE IN OXYGEN DEPOLARIZED PRIMARY CELLS THE STEPS OF IMPREGNATING POROUS CARBON BODIES WITH A SOLUTION OF AT LEAST TWO HEATDECOMPOSABLE SALTS HAVING DIFFERENT CATIONS SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, MANGANESE, CHROMIUM, COPPER, SILVER, GOLD, PLATINUM, VANADIUM, THORIUM AND THE RARE EARTHS, SAID SALTS BEING CAPABLE OF ACTING AS OXIDISING AGENTS ON THE CARBON, AND HEATING THE IMPREGNATED CARBON BODIES TO TEMPERATURES ADAPTED TO DECOMPOSE THE SAID SALTS WITH THE FORMATION OF CATALYSTS WITHIN SAID CARBON BODIES.
Claim 2
Dependent Claim
90 words
IN A PROCESS FOR MANUFACTURING POROUS CARBON ELECTRODES FOR USE IN OXYGEN DEPOLARIZED PRIMARY CELLS THE STEPS OF IMPREGNATING POROUS CARBON BODIES WITH A SOLUTION OF AT LEAST TWO HEATDECOMPOSABLE SALTS HAVING DIFFERENT CATIONS SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, MANGANESE, CHROMIUM, COPPER, SILVER, GOLD, PLATINUM, VANADIUM, THORIUM AND THE RARE EARTHS, SAID SALTS BEING CAPABLE OF ACTING AS OXIDISING AGENTS ON THE CARBON, AND HEATING THE IMPREGNATED CARBON BODIES TO TEMPERATURES ADAPTED TO DECOMPOSE THE SAID SALTS WITH THE FORMATION OF CATALYSTS WITHIN SAID CARBON BODIES.
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |