US3069231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating nickel and cobalt compounds and producing salts therefrom
Assignee: Union Carbide Corp
•
Filing: 1960-12-29
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Granted: 1962-12-18
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Robert A Hard
- 👤 Herman F Kummerle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:11
CPC Classifications
C; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/306; C22B3/262; C22B3/302; C22B3/33; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR THE SEPARATION OF NICKEL AND COBALT FROM MIXED SIMILAR COMPOUNDS THEREOF COMPRISING PREPARING AN AQUEOUS SOLUTION OF NICKEL AND COBALT SALTS, REACTING THE SOLUTION WITH THIOCYANIC ACID DISSOLVED IN A WATER-IMMISCIBLE ORGANIC SOLVENT FOR THE THUS FORMED COBALT THIOCYCANATE COMPOUNDS, EXTRACTING THE COBALT THIOCYANATE COMPOUNDS IN THE ORGANIC SOLUTION FROM SAID AQUEOUS SOLUTION, REACTING THE EXTRACTED ORGANIC SOLU-
Claim 2
Dependent Claim
61 words
A PROCESS FOR THE SEPARATION OF NICKEL AND COBALT FROM MIXED SIMILAR COMPOUNDS THEREOF COMPRISING PREPARING AN AQUEOUS SOLUTION OF NICKEL AND COBALT SALTS, REACTING THE SOLUTION WITH THIOCYANIC ACID DISSOLVED IN A WATER-IMMISCIBLE ORGANIC SOLVENT FOR THE THUS FORMED COBALT THIOCYCANATE COMPOUNDS, EXTRACTING THE COBALT THIOCYANATE COMPOUNDS IN THE ORGANIC SOLUTION FROM SAID AQUEOUS SOLUTION, REACTING THE EXTRACTED ORGANIC SOLU-
References Cited (Backward Citations)
US2902345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |