US3405010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinel-ruthenium catalyzed electrode
Assignee: Union Carbide Corp
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Filing: 1963-07-18
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Granted: 1968-10-08
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Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 Karl V Kordesch
- 👤 Marvin L Kronenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:02
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
60 words
A METHOD FOR CATALYZING A POROUS ELECTRODE, WHICH METHOD COMPRISES APPLYING TO SAID ELECTRODE A CATRALYZING SOLUTION OF A HEAVY METAL SALT, AN ALUMINUM SALT, AND A RUTHENIUM SALT; AND THEN HEATING THE ELECTRODE TO A TEMPERATURE IN THE RANGE OF ABOUT 700*C. TO ABOUT 900*C. TO DEPOSIT SAID HEAVY METAL, ALUMINUM, AND RUTHENIUM FROM SAID SALTS ON SAID ELECTRODE.
Claim 2
Independent Claim
60 words
A METHOD FOR CATALYZING A POROUS ELECTRODE, WHICH METHOD COMPRISES APPLYING TO SAID ELECTRODE A CATRALYZING SOLUTION OF A HEAVY METAL SALT, AN ALUMINUM SALT, AND A RUTHENIUM SALT; AND THEN HEATING THE ELECTRODE TO A TEMPERATURE IN THE RANGE OF ABOUT 700*C. TO ABOUT 900*C. TO DEPOSIT SAID HEAVY METAL, ALUMINUM, AND RUTHENIUM FROM SAID SALTS ON SAID ELECTRODE.
Claim 3
Dependent Claim
8 words
ELECTRODES PRODUCED BY THE PROCESS OF CLAIM 1.
References Cited (Backward Citations)
US2669598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |