US2559104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flotation recovery of molybdenite
Assignee: Freeport Minerals Corp
•
Filing: 1948-03-23
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Granted: 1951-07-03
•
Expires: 1968-03-23
Abstract
No abstract record available.
Inventors
- 👤 Arbiter Nathaniel
- 👤 Orel E Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:20
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/02; B03D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS OF RECOVERING MOLYBDENITE FROM A FLOTATION CONCENTRATE CONTAINING MOLYBDENITE AND SULFIDES OF OTHER METALS WHICH COMPRISES CONDITIONING SUCH CONCENTRATE IN AQUEOUS SUSPENSION BY CONTACT IN UNHEATED CONDITION WITH A SOLUTION OF A SUBSTANCE WHICH UNDER THE CONDITIONS OF TREATMENT IS AN OXIDIZING AGENT FOR THE COLLECTOR IN THE CONCENTRATE, AND SUBJECTING THE SUSPENSION OF THE CONCENTRATE THUS CONDITIONED TO FLOTATION FOR THE RECOVERY OF MOLYBDENITE.
Claim 2
Dependent Claim
67 words
A PROCESS OF RECOVERING MOLYBDENITE FROM A FLOTATION CONCENTRATE CONTAINING MOLYBDENITE AND SULFIDES OF OTHER METALS WHICH COMPRISES CONDITIONING SUCH CONCENTRATE IN AQUEOUS SUSPENSION BY CONTACT IN UNHEATED CONDITION WITH A SOLUTION OF A SUBSTANCE WHICH UNDER THE CONDITIONS OF TREATMENT IS AN OXIDIZING AGENT FOR THE COLLECTOR IN THE CONCENTRATE, AND SUBJECTING THE SUSPENSION OF THE CONCENTRATE THUS CONDITIONED TO FLOTATION FOR THE RECOVERY OF MOLYBDENITE.
References Cited (Backward Citations)
DE414175C
Cited
DE566024C
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US2011177A
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US2070076A
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GB476435A
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US2095967A
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US2195724A
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US2255776A
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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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |