Patent US5541379A successfully refreshed from Google Patents.
Patent US2916213A successfully refreshed from Google Patents.
US2916213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore beneficiation process and apparatus
Assignee: Texaco Development Corp
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Filing: 1954-03-03
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Granted: 1959-12-08
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Peter L Paull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:35
CPC Classifications
B; B03; B03B; B03B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF PRODUCING A FINELY-DIVIDED MINERAL CONCENTRATE FROM A MASS OF RELATIVELY COARSE PARTICLES OF AN ORE WHICH CONTAINS SAID MINERAL ASSOCIATED WITH OTHER MATERIAL, SAID METHOD COMPRISING FORMING A FLOWABLE MIXTURE OF SAID PARTICLES IN WATER; HEATING SAID MIXTURE TO VAPORIZE WATER AND FORM A DIPERSION OF SAID PARTICLES IN STEAM; PASSING SAID DISPERSION AT HIGH VELOCITY IN TURBUTLENT FLOW TO CAUSE SAID PARTICLES TO IMPINGE AGAINST ONE ANOTHER AND DISINTEGRATE TO RELATIVELY FINE PARTICLES, SOME OF SAID FINE PARTICLES BEING RICH AND OTHERS POOR IN SAID MINERAL; AT LEAST PARTIALLY CONDENSING SAID STEAM AND FORMING A FLOWABLE MIXTURE OF SAID FINE PARTICLES IN THE RESULTING WATER; AND THEN SEPARATING SAID RICH PARTICLES FROM SAID POOR PARTICLES IN SAID FLOWABLE MIXTURE AND COLLECTING SAID RICH PARTICLES TO FORM SAID CONCENTRATE.
Claim 2
Independent Claim
132 words
A METHOD OF PRODUCING A FINELY-DIVIDED MINERAL CONCENTRATE FROM A MASS OF RELATIVELY COARSE PARTICLES OF AN ORE WHICH CONTAINS SAID MINERAL ASSOCIATED WITH OTHER MATERIAL, SAID METHOD COMPRISING FORMING A FLOWABLE MIXTURE OF SAID PARTICLES IN WATER; HEATING SAID MIXTURE TO VAPORIZE WATER AND FORM A DIPERSION OF SAID PARTICLES IN STEAM; PASSING SAID DISPERSION AT HIGH VELOCITY IN TURBUTLENT FLOW TO CAUSE SAID PARTICLES TO IMPINGE AGAINST ONE ANOTHER AND DISINTEGRATE TO RELATIVELY FINE PARTICLES, SOME OF SAID FINE PARTICLES BEING RICH AND OTHERS POOR IN SAID MINERAL; AT LEAST PARTIALLY CONDENSING SAID STEAM AND FORMING A FLOWABLE MIXTURE OF SAID FINE PARTICLES IN THE RESULTING WATER; AND THEN SEPARATING SAID RICH PARTICLES FROM SAID POOR PARTICLES IN SAID FLOWABLE MIXTURE AND COLLECTING SAID RICH PARTICLES TO FORM SAID CONCENTRATE.
References Cited (Backward Citations)
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Cited
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Cited
US2612320A
Cited
US2726813A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |