US3073697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing double-skeleton catalyst electrodes by hot-pressing
Assignee: Accumulatoren Fabrik AG
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Filing: 1959-02-25
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Granted: 1963-01-15
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Expires: 1979-02-25
Abstract
No abstract record available.
Inventors
- 👤 Friese Karl-Hermann
- 👤 Winsel August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8878; H01M4/8882; H01M4/8885; B; B01; B01J; B01J37/00; B01J37/0009; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PROCESS FOR THE PRODUCTION OF IMPROVED CATALYST ELECTRODES HAVING AN ELECTRICALLY CONDUCTIVE SUPPORTING SKELETON SERVING AS A CARRIER AND RANEY METAL GRANULES EMBEDDED IN SAID SKELETON, WHICH COMPRISES INTIMATELY MIXING A POWDER MATERIAL FOR THE ELECTRICALLY CONDUCTIVE SUPPORTING SKELETON WITH A PULVERULENT RANEY ALLOY AND CONSOLIDATING THE MIXTURE BY COMPRESSION AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT 1,000 TO 7,000 KG./CM.2 AND HEATING TEMPERATURES IN EXCESS OF 100*C. BUT BELOW THAT AT WHICH A LIQUID PHASE IS FORMED IN THE ELECTRODE MATERIAL FOR A PERIOD OF AT MOST ABOUT 2 MINUTES.
Claim 2
Dependent Claim
94 words
A PROCESS FOR THE PRODUCTION OF IMPROVED CATALYST ELECTRODES HAVING AN ELECTRICALLY CONDUCTIVE SUPPORTING SKELETON SERVING AS A CARRIER AND RANEY METAL GRANULES EMBEDDED IN SAID SKELETON, WHICH COMPRISES INTIMATELY MIXING A POWDER MATERIAL FOR THE ELECTRICALLY CONDUCTIVE SUPPORTING SKELETON WITH A PULVERULENT RANEY ALLOY AND CONSOLIDATING THE MIXTURE BY COMPRESSION AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT 1,000 TO 7,000 KG./CM.2 AND HEATING TEMPERATURES IN EXCESS OF 100*C. BUT BELOW THAT AT WHICH A LIQUID PHASE IS FORMED IN THE ELECTRODE MATERIAL FOR A PERIOD OF AT MOST ABOUT 2 MINUTES.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |