US3080220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of potash ores
Assignee: Phillips Petroleum Co
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Filing: 1959-07-13
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Granted: 1963-03-05
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Harold R Legatski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:25
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/04; C01D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD COMPRISING THE STEPS IN COMBINATION AS FOLLOWS: GRINDING A POTASH ORE, DISTRIBUTING THE GROUND ORE ON A PERFORATED MOVING BELT, WASHING THE GROUND ORE ON SAID MOVING BELT TO REMOVE MAGNESIUM SALT SULFATE SALTS THEREFROM, DISCHARGING WASHED GROUND ORE FROM SAID BELT TO A LEACHING TANK, MAINTAINING A DOWNWARDLY MOVING BED OF WASHED ORE IN SAID LEACHING TANK, PASSING HOT BRINE UPWARDLY THROUGH SAID BED OF WASHED ORE TO LEACH POTASSIUM CHLORIDE THEREFROM, REMOVING SUPERNATANT HOT BRINE CONTAINING POTASSIUM CHLORIDE FROM SAID LEACHING TANK, PASSING SAID REMOVED BRINE TO REOVERY OF POTASSIUM CHLORIDE THEREFROM, REMOVING LEACHED ORE FROM THE BOTTOM OF SAID LEACHING TANK, ADMIXING LEACHED ORE WITH FILTRATE FROM AN ENSUING FILTERING OPERATION, AND CONVEYING THE ADMIXTURE TO A FILTERING OPERATION AS SAID ENSUING FILTERING OPERATIONM IN SAID FILTERING OPERATION FILTERING LEACHED ORE, WASHING LEACHED ORE AND RECOVERING FILTRATE AND WASHINGS AND FILTRATE AS SEPARATE STREAMS.
Claim 2
Independent Claim
149 words
A METHOD COMPRISING THE STEPS IN COMBINATION AS FOLLOWS: GRINDING A POTASH ORE, DISTRIBUTING THE GROUND ORE ON A PERFORATED MOVING BELT, WASHING THE GROUND ORE ON SAID MOVING BELT TO REMOVE MAGNESIUM SALT SULFATE SALTS THEREFROM, DISCHARGING WASHED GROUND ORE FROM SAID BELT TO A LEACHING TANK, MAINTAINING A DOWNWARDLY MOVING BED OF WASHED ORE IN SAID LEACHING TANK, PASSING HOT BRINE UPWARDLY THROUGH SAID BED OF WASHED ORE TO LEACH POTASSIUM CHLORIDE THEREFROM, REMOVING SUPERNATANT HOT BRINE CONTAINING POTASSIUM CHLORIDE FROM SAID LEACHING TANK, PASSING SAID REMOVED BRINE TO REOVERY OF POTASSIUM CHLORIDE THEREFROM, REMOVING LEACHED ORE FROM THE BOTTOM OF SAID LEACHING TANK, ADMIXING LEACHED ORE WITH FILTRATE FROM AN ENSUING FILTERING OPERATION, AND CONVEYING THE ADMIXTURE TO A FILTERING OPERATION AS SAID ENSUING FILTERING OPERATIONM IN SAID FILTERING OPERATION FILTERING LEACHED ORE, WASHING LEACHED ORE AND RECOVERING FILTRATE AND WASHINGS AND FILTRATE AS SEPARATE STREAMS.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |