Patent US3356534A successfully refreshed from Google Patents.
US3356534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of electrodes for alkaline storage batteries wherein active material is at least partially formed from the metals in said grid
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1966-10-12
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Granted: 1967-12-05
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Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ackermann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:23
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01M4/28; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PROCESS FOR PRODUCING ELECTRODES FOR ALKALINE STORAGE BATTERIES COMPRISING THE STEPS OF TREATING AN AT LEAST PARTLY METALLIC POROUS ELECTRODE GRID WHICH IS INACTIVE TO ELECTROLYTES WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF AT LEAST ONE WEAK ACID DISSOLVED IN WATER, SAID AID BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACETIC ACID, PROPIONIC ACID, CITRIC ACID AND GLYCOCOLL AND A METAL SALT HAVING AN OXIDIZING ANION, AND SUBSEQUENTLY TREATING SAID GRID WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE WHEREBY ELECTROCHEMICALLY ACTIVE MATERIAL CONSISTING OF OXIDIC COMPOUNDS OF THE METALS CONTAINED IN SAID GRID ARE FORMED WITHIN THE PORES OF SAID GRID, SAID ACTIVE MATERIAL BEING AT LEAST PARTIALLY OFRMED FROM THE METALS CONTAINED IN SAID GRID.
Claim 2
Dependent Claim
121 words
A PROCESS FOR PRODUCING ELECTRODES FOR ALKALINE STORAGE BATTERIES COMPRISING THE STEPS OF TREATING AN AT LEAST PARTLY METALLIC POROUS ELECTRODE GRID WHICH IS INACTIVE TO ELECTROLYTES WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF AT LEAST ONE WEAK ACID DISSOLVED IN WATER, SAID AID BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACETIC ACID, PROPIONIC ACID, CITRIC ACID AND GLYCOCOLL AND A METAL SALT HAVING AN OXIDIZING ANION, AND SUBSEQUENTLY TREATING SAID GRID WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE WHEREBY ELECTROCHEMICALLY ACTIVE MATERIAL CONSISTING OF OXIDIC COMPOUNDS OF THE METALS CONTAINED IN SAID GRID ARE FORMED WITHIN THE PORES OF SAID GRID, SAID ACTIVE MATERIAL BEING AT LEAST PARTIALLY OFRMED FROM THE METALS CONTAINED IN SAID GRID.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |