US3050386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing sinter electrodes
Assignee: Accumulatoren Fabrik AG
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Filing: 1959-11-23
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Granted: 1962-08-21
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Dohren Hans Hermann Von
- 👤 Walther Christa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:07
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OR PRODUCING POROUS SINTER ELECTRODES FOR ALKALINE STORAGE BATTERIES, COMPRISING THE STEPS OF FORMING AN INTIMATE MIXTURE OF A METAL POWDER ADAPTED TO BE SINTERED AND OF A PULVERULENT OXGANOMETALLIC COMPOUND ADAPTED UPON HEATING TO THE SINTERING TEMPERATURE OF SAID METAL POWDER TO FORM A GASEOUS DECOMPOSITION PRODUCT INCLUDING A REDUCING GAS AND A METAL ADAPTED TO BE AT SAID SINTERING TEMPERATURE; PRESSING SAID MIXTURE SO AS TO FORM AN ELECTRODE BLANK; AND HEATING THE THUS FORMED ELECTRODE BLANK TO SAID SINTERING TEMPERATURE SO AS TO SINTER SAID METALS AND SIMULTANEOUSLY TO RELEASE SAID REDUCING GAS THE LATTER PREVENTING OXIDATION OF SAID METALS WHEREBY A POROUS SINTER ELECTODE SUBSTANTIALLY FREE OF OXIDES OF SAID OF METALS IS FORMED.
Claim 2
Independent Claim
120 words
A METHOD OR PRODUCING POROUS SINTER ELECTRODES FOR ALKALINE STORAGE BATTERIES, COMPRISING THE STEPS OF FORMING AN INTIMATE MIXTURE OF A METAL POWDER ADAPTED TO BE SINTERED AND OF A PULVERULENT OXGANOMETALLIC COMPOUND ADAPTED UPON HEATING TO THE SINTERING TEMPERATURE OF SAID METAL POWDER TO FORM A GASEOUS DECOMPOSITION PRODUCT INCLUDING A REDUCING GAS AND A METAL ADAPTED TO BE AT SAID SINTERING TEMPERATURE; PRESSING SAID MIXTURE SO AS TO FORM AN ELECTRODE BLANK; AND HEATING THE THUS FORMED ELECTRODE BLANK TO SAID SINTERING TEMPERATURE SO AS TO SINTER SAID METALS AND SIMULTANEOUSLY TO RELEASE SAID REDUCING GAS THE LATTER PREVENTING OXIDATION OF SAID METALS WHEREBY A POROUS SINTER ELECTODE SUBSTANTIALLY FREE OF OXIDES OF SAID OF METALS IS FORMED.
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |