US3281272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making nickel electrodes for electrolytic cells
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
•
Filing: 1963-07-30
•
Granted: 1966-10-25
•
Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Charles V Herold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:23
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01M4/28; H01M4/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR MAKING POROUS SINTERED NICKEL ELECTRODES WHICH COMPRISES IMMERSING A POROUS SINTERED NICKEL PLATE IN AN AQUEOUS SOLUTION CONSISTING OF AT LEAST ONE ACTIVATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM NITRATE, ALUMINUM CHLORATE, AND AMMONIUM NITRATE, CONTACTIN SAID PLATE WITH AN AQUEOUS CAUSTIC ALKALI SOLUTION, WASHING AND DRYING SAID PLATES, CONTACTING SAID PLATE WITH AN AQUEOUS SOLUTION OF A NICKEL SALT, AND DECOMPOSING SAID NICKEL SALT TO FORM A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDE AND NICKEL HYDROXIDE IN THE PORES OF SAID PLATE.
Claim 2
Dependent Claim
91 words
A PROCESS FOR MAKING POROUS SINTERED NICKEL ELECTRODES WHICH COMPRISES IMMERSING A POROUS SINTERED NICKEL PLATE IN AN AQUEOUS SOLUTION CONSISTING OF AT LEAST ONE ACTIVATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM NITRATE, ALUMINUM CHLORATE, AND AMMONIUM NITRATE, CONTACTIN SAID PLATE WITH AN AQUEOUS CAUSTIC ALKALI SOLUTION, WASHING AND DRYING SAID PLATES, CONTACTING SAID PLATE WITH AN AQUEOUS SOLUTION OF A NICKEL SALT, AND DECOMPOSING SAID NICKEL SALT TO FORM A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDE AND NICKEL HYDROXIDE IN THE PORES OF SAID PLATE.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |