US3097162A
Expired / Lapsed
US
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Method for concentrating aluminum silicates and zircon from beach sand
Assignee: Armour and Co
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Filing: 1960-12-02
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Granted: 1963-07-09
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert E Baarson
- 👤 Charles W Jonaitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:14
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/016; B03D1/01; B03D2201/00; B03D2201/02; B03D2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A PROCESS FOR THE CONCENTRATION OF QUARTZ, ALUMINUM SILICATE AND ZIRCON FROM A NON-CONDUCTIVE, NONMAGNETIC FRACTION OF BEACH SAND CONCENTRATE, COMPRISING THE STEPS OF FLOATING A ZIRCON AND QUARTZ FRACTION FROM THE ALUMINUM SILICATE IN THE SAND IN AN AQUEOUS SOLUTION CONTAINING AN AMINE COLLECTOR AND A DEPRESSANT SELECTED FROM THE GROUP CONSISTING OF DEXTRINS, GUMS AND STARCHES, SAID AQUEOUS SOLUTION BEING AT A PH OF FROM ABOUT 7.5 TO ABOUT 12, AND THEN FLOATING THE ZIRCON FROM THE QUARTZ OF SAID ZIRCON-QUARTZ FRACTION IN THE PRESENCE OF A FLUORINECONTAINING ACID AND AT A PH FROM ABOUT 6.0 TO ABOUT 2.0.
Claim 2
Dependent Claim
102 words
IN A PROCESS FOR THE CONCENTRATION OF QUARTZ, ALUMINUM SILICATE AND ZIRCON FROM A NON-CONDUCTIVE, NONMAGNETIC FRACTION OF BEACH SAND CONCENTRATE, COMPRISING THE STEPS OF FLOATING A ZIRCON AND QUARTZ FRACTION FROM THE ALUMINUM SILICATE IN THE SAND IN AN AQUEOUS SOLUTION CONTAINING AN AMINE COLLECTOR AND A DEPRESSANT SELECTED FROM THE GROUP CONSISTING OF DEXTRINS, GUMS AND STARCHES, SAID AQUEOUS SOLUTION BEING AT A PH OF FROM ABOUT 7.5 TO ABOUT 12, AND THEN FLOATING THE ZIRCON FROM THE QUARTZ OF SAID ZIRCON-QUARTZ FRACTION IN THE PRESENCE OF A FLUORINECONTAINING ACID AND AT A PH FROM ABOUT 6.0 TO ABOUT 2.0.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |