US3297433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a cadmium electrode material for use in electric storage devices
Assignee: Union Carbide Corp
•
Filing: 1964-01-06
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Granted: 1967-01-10
•
Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Robert E Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:18
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/20; C; C22; C22B; C22B17/00; H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/36; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR PREPARING A CADMIUM ELECTRODE MATERIAL FOR USE IN ELECTRIC STORAGE DEVICES, WHICH PROCESS COMPRISES FORMING A UNIFORM ADMIXTURE COMPRISING AT LEAST ABOUT 80 WEIGHT PERCENT OF A CADMIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CADMIUM OXIDE, CADMIUM HYDROXIDE, CADMIUM ACETATE, CADMIUM CARBONATE, CADMIUM CHLORIDE, CADMIUM CHLORATE, CADMIUM SULFATE AND CADMIUM NITRATE, AND A CADMIUM REPLACING METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC IN AN AMOUNT OF UP TO 20 PERCENT BY WEIGHT OF THE ADMIXTURE, CONTACTING SAID ADMIXTURE WITH AN AQUEOUS ALKLINE HYDROXIDE SOLUTION HAVING A CONCENTREATION OF FROM ABOUT 0.001 NORMAL TO ABOUT 14.5 NORMAL AT A TEMPERATURE OF AT LEAST 10*C. TO FORM A PRODUCT CONTAINING CADMIUM METAL, AND RECOVERING AND REMOVING RESIDUAL ALKLINE HYDROXIDE FROM SAID PRODUCT.
Claim 2
Dependent Claim
127 words
A PROCESS FOR PREPARING A CADMIUM ELECTRODE MATERIAL FOR USE IN ELECTRIC STORAGE DEVICES, WHICH PROCESS COMPRISES FORMING A UNIFORM ADMIXTURE COMPRISING AT LEAST ABOUT 80 WEIGHT PERCENT OF A CADMIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CADMIUM OXIDE, CADMIUM HYDROXIDE, CADMIUM ACETATE, CADMIUM CARBONATE, CADMIUM CHLORIDE, CADMIUM CHLORATE, CADMIUM SULFATE AND CADMIUM NITRATE, AND A CADMIUM REPLACING METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC IN AN AMOUNT OF UP TO 20 PERCENT BY WEIGHT OF THE ADMIXTURE, CONTACTING SAID ADMIXTURE WITH AN AQUEOUS ALKLINE HYDROXIDE SOLUTION HAVING A CONCENTREATION OF FROM ABOUT 0.001 NORMAL TO ABOUT 14.5 NORMAL AT A TEMPERATURE OF AT LEAST 10*C. TO FORM A PRODUCT CONTAINING CADMIUM METAL, AND RECOVERING AND REMOVING RESIDUAL ALKLINE HYDROXIDE FROM SAID PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |