Patent US3316124A successfully refreshed from Google Patents.
US3316124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of catalyzed carbon electrode
Assignee: Union Carbide Corp
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Filing: 1963-04-15
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Granted: 1967-04-25
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Kronenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:15
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/04; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; H01M; H01M4/00; H01M4/86; H01M4/96; B01J21/00; B01J21/18; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR PREPARING CATALYZED CARBON POWDER SUITABLE FOR USE IN THE MANUFACTUREE OF CATALYZED CARBON ELECTRODES, WHICH METHOD COMPRISES PREPARING FINELY DIVIDED PARTICLES FO ACTIVATED CARBON; CATALYZING SAID PARTICLES OF ACTIVATED CARBON BY REACTING THEREON AN ALKALINE SOLUTION SALT OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, RHODIUM, IRIDIUM, PALLADIUM, PLATINUM, SLIVER, GOLD, RUTHENIUM AND OSMIUM AND A REDUCING AGENT FOR THE METAL MOIETY OF SAID SALT SO AS TO DEPOSIT SAID METAL AS A CATALYST ON SAID CARBON PARTICLES; AND REMOVING THE REACTION PRODUCTS FROM THE CATALYZED CARBON PARTICLES.
Claim 2
Independent Claim
95 words
A METHOD FOR PREPARING CATALYZED CARBON POWDER SUITABLE FOR USE IN THE MANUFACTUREE OF CATALYZED CARBON ELECTRODES, WHICH METHOD COMPRISES PREPARING FINELY DIVIDED PARTICLES FO ACTIVATED CARBON; CATALYZING SAID PARTICLES OF ACTIVATED CARBON BY REACTING THEREON AN ALKALINE SOLUTION SALT OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, RHODIUM, IRIDIUM, PALLADIUM, PLATINUM, SLIVER, GOLD, RUTHENIUM AND OSMIUM AND A REDUCING AGENT FOR THE METAL MOIETY OF SAID SALT SO AS TO DEPOSIT SAID METAL AS A CATALYST ON SAID CARBON PARTICLES; AND REMOVING THE REACTION PRODUCTS FROM THE CATALYZED CARBON PARTICLES.
References Cited (Backward Citations)
US1288722A
Cited
US2746936A
Cited
US2847332A
Cited
US3198667A
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US3223556A
Cited
US3212930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |