US3778360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the electrolytic recovery of copper from its ores
Assignee: Individual
•
Filing: 1970-02-25
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Granted: 1973-12-11
•
Expires: 1990-02-25
Abstract
Abstract THIS INVENTION RELATES TO A METHOD OF SOLUBILIZING COPPER METAL FROM COPPER ORES, SUCH AS COPPER SULFIDE ORES COMPRISING THE STEP OF ELECTRLYZING A SLURRY OF THE FINELY GROUND ORE, IN THE PRESENCE OF A CATALYST, IN THE ANODIC CHAMBER OF AN ELECTRLYTIC CELL, SAID CATALYST COMPRISING AN ION COMPLEX OF CUPROUS CHLORIDE IN AQUEOUS HYDROGEN CHLORIDE AND PLATING COPER METAL ON THE CATHODE. AN IONPERMEABLE MEMBRANE IS USED TO SEPARATE THE ANODIC COMPARTMENT CONTAINING ORE SLURRY FROM THE CATHODIC COMPARTMENT.
Inventors
- 👤 J Gordy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:31
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/12
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |