Patent US2946677A successfully refreshed from Google Patents.
US2946677A
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Treatment of alloys containing iron group metals
Assignee: Oregon Metallurgical Corp
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Filing: 1958-11-24
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Granted: 1960-07-26
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Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen M Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:22
CPC Classifications
C; C22; C22B; C22B23/00; C22B23/04; C22B23/0407; C22B23/0415; B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; B22F9/16; C22B7/00; C22B7/001; C22B7/006; C22B7/007; B22F2009/041; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN THE RECOVERY OF IRON-GROUP METALS FROM THE STARTING ALLOY CONTAINING THE SAME, THE PROCESS OF PRODUCING SALTS OF THE IRON-GROUP METALS IN THE STARTING ALLOY BY ALLOYING THE STARTING ALLOW WITH ALLUMINUM TO PRODUCE A FRIABLE ALUMINUM ALLOY PRODUCT, AND DISSOLVING THE ALUMINUM ALLOY PRODUCT IN AN OXIDIZING ACID WHICH IS REACTIVE WITH THE PRODUCT TO PRODUCE SALTS OF THE ACID AND IRONGROUP METALS.
Claim 2
Dependent Claim
65 words
IN THE RECOVERY OF IRON-GROUP METALS FROM THE STARTING ALLOY CONTAINING THE SAME, THE PROCESS OF PRODUCING SALTS OF THE IRON-GROUP METALS IN THE STARTING ALLOY BY ALLOYING THE STARTING ALLOW WITH ALLUMINUM TO PRODUCE A FRIABLE ALUMINUM ALLOY PRODUCT, AND DISSOLVING THE ALUMINUM ALLOY PRODUCT IN AN OXIDIZING ACID WHICH IS REACTIVE WITH THE PRODUCT TO PRODUCE SALTS OF THE ACID AND IRONGROUP METALS.
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |