US3228795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming electrodes for alkaline storage batteries
Assignee: BASF SE
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Filing: 1962-07-25
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Granted: 1966-01-11
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ackermann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:39
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01M4/28; H01M4/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR THE PRODUCTION OF ELECRODES FOR ALKALINE STORAGE BATTERIES, WHICH COMPRISES INPREGNATING A POROUS METALLIC ELECTRODE GRID CONSISTING ESSENTIALLY OF NICKEL WITH AN AQUEOUS SOLUTIO OF A SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CHROMIUM AND ALUMINUM, THE ANION OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATE AND NITRATE, AND SUBSEQUENTLY WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE TO FORM SAID ELECTRODE, AND FINALLY RINSING SAID ELECTRODE WITH WATER.
Claim 2
Dependent Claim
80 words
A PROCESS FOR THE PRODUCTION OF ELECRODES FOR ALKALINE STORAGE BATTERIES, WHICH COMPRISES INPREGNATING A POROUS METALLIC ELECTRODE GRID CONSISTING ESSENTIALLY OF NICKEL WITH AN AQUEOUS SOLUTIO OF A SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CHROMIUM AND ALUMINUM, THE ANION OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATE AND NITRATE, AND SUBSEQUENTLY WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE TO FORM SAID ELECTRODE, AND FINALLY RINSING SAID ELECTRODE WITH WATER.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |