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US2947418A
Expired / Lapsed
US
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Phosphate process
Assignee: Florida Lightweight Products Co
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Filing: 1957-12-23
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Granted: 1960-08-02
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 William R Gooch
- 👤 Elliott E Dobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:41
CPC Classifications
C; C05; C05B; C05B11/00; C05B11/02; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/906; Y10S210/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR FORMING DRIED PHOSPHATE SLIMES WHICH COMPRISES FORMING SEQUENTIALLY A SERIES OF LAYERS OF DRIED SLIMES BY DELIVERING A SEPARATE PORTIONS OF A SLURRY CONTAINING SUCH SLIMES OT A DRYING BED, ALLOWING THE SOLIDS CONTENT OF SAID SLURRY TO SETTLE, DRAINING OFF THE CLARIFIED SURFACE WATER FROM THE SETTLED SLIMES LAYER THEREBY FORMED AND ALLOWING EACH SETTLED LAYER TO DRY BY NATURAL EVAPORATION PRIOR TO FORMING A SECOND SETTLED SLIMES LAYER IN LIKE MANNER ON TOP OF SAID DRIED SETTLED LAYER.
Claim 2
Dependent Claim
83 words
A PROCESS FOR FORMING DRIED PHOSPHATE SLIMES WHICH COMPRISES FORMING SEQUENTIALLY A SERIES OF LAYERS OF DRIED SLIMES BY DELIVERING A SEPARATE PORTIONS OF A SLURRY CONTAINING SUCH SLIMES OT A DRYING BED, ALLOWING THE SOLIDS CONTENT OF SAID SLURRY TO SETTLE, DRAINING OFF THE CLARIFIED SURFACE WATER FROM THE SETTLED SLIMES LAYER THEREBY FORMED AND ALLOWING EACH SETTLED LAYER TO DRY BY NATURAL EVAPORATION PRIOR TO FORMING A SECOND SETTLED SLIMES LAYER IN LIKE MANNER ON TOP OF SAID DRIED SETTLED LAYER.
References Cited (Backward Citations)
US2636555A
Cited
US2532924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |