US2970036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovering cuprate antions from their metal salt solutions
Assignee: Banner Mining Co
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Filing: 1958-03-11
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Granted: 1961-01-31
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Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Frank E Horton
- 👤 Eldred C Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF PRODUCING A CONCENTRATED COPPER ELECTROLYTE FROM AN ALKALINE SOLUTION CONTAINING CUPRATE ANIONS WHICH COMPRISES CONTACTING SAID SOLUTION WITH COTTON IN ITS HYDROXYL FORM THEREBY SELECTIVELY ADSORBING THE CUPRATE ANIONS ONTO THE COTTON, AND SUBSEQUENTLY TREATING THE COTTON CONTAINING THE ADSORBED CUPRATE ANIONS WITH AN ELUTRIANT SELECTED FROM THE GROUP CONSISTING OF SODIUM BICARBONATE, SULPHURIC ACID, AND SODIUM BISULPHATE TO OBTAIN SAID CONCENTRATED ELECTROLYTE.
Claim 2
Independent Claim
66 words
THE METHOD OF PRODUCING A CONCENTRATED COPPER ELECTROLYTE FROM AN ALKALINE SOLUTION CONTAINING CUPRATE ANIONS WHICH COMPRISES CONTACTING SAID SOLUTION WITH COTTON IN ITS HYDROXYL FORM THEREBY SELECTIVELY ADSORBING THE CUPRATE ANIONS ONTO THE COTTON, AND SUBSEQUENTLY TREATING THE COTTON CONTAINING THE ADSORBED CUPRATE ANIONS WITH AN ELUTRIANT SELECTED FROM THE GROUP CONSISTING OF SODIUM BICARBONATE, SULPHURIC ACID, AND SODIUM BISULPHATE TO OBTAIN SAID CONCENTRATED ELECTROLYTE.
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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |