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Patent US3752706A successfully refreshed from Google Patents.
US3752706A
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US
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Method for producing an electro-chemically active material for nickel hydroxide electrodes
Assignee: Svenska Ackumulator Jungner AB
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Filing: 1970-01-15
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Granted: 1973-08-14
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Expires: 1990-01-15
Abstract
Abstract METHOD AND APPARATUS FOR PRODUCING ELECTROCHEMICALLY ACTVE METAL HYDROXIDES FOR NICKEL HYDROXIDE ELECTRODES FOR ALKALINE ACCUMULATORS BY PRECIPITATION OF THE HYDROXIDES FROM A SOLUTION OF METALLIC SALTS WITH THE AID OF AN ALKALINE METAL HYDROXIDE SOLUTION, ACCORDING TO WHICH THE PRECIPITATION, IN ORDER TO OBTAIN A UNIFORM CRYSTALLINITY THROUGHOUT THE MATERIAL, TAKES PLACE CONTINUOUSLY IN AT LEAST ONE STEP BY ALLOWING THE SALT SOLUTION AND THE METAL HYDROXIDE SOLUTION TO RUN DOWN SIMULTANEOUSLY INTO A REACTION VESSEL, KEEPING PH VALUE, TEMPERATURE AND CONCENTRATION IN EACH STEP CONSTANT. D R A W I N G
Inventors
- 👤 A Melin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/52; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |