Patent US2917345A successfully refreshed from Google Patents.
US2917345A
Expired / Lapsed
US
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Process of producing sulfur slurry for transportation thereof
Assignee: Exxon Mobil Corp
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Filing: 1957-08-26
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Granted: 1959-12-15
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Cecil Phillips
- 👤 Elza Q Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:06
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30; C; C01; C01B; C01B17/00; C01B17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A CONTINUOUS FLOW PROCESS FOR TAKING MOLTEN SULPHUR FROM THE GROUND BY THE FRASCH PROCESS, PREPARING A SLURRY OF SULPHUR PARTICLES IN WATER, AND TRANSPORTING A SLURRY TO A DISTANT LOCATION COMPRISING: CONDUCTING THE MOLTEN SULPHUR TO THE SURFACE; MIXING THE MOLTEN SULPHUR WITH HOT WATER KEPT UNDER PRESSURE AND AT A TEMPERATURE ABOVE THE MELTING POINT OF SULPHUR TO PREVENT SOLIDIFICATION OF THE MOLTEN SULPHUR AT THE POINT OF CONTACT WITH THE WATER AND PRODUCE A DISPERSION OF LIQUID SULPHUR DROPLETS IN HOT WATER: THEN ADDING COLD WATER TO THE DISPERSION TO SOLIDIFY THE LIQUID SULPHUR DROPLETS TO PRODUCE A SLURRY OF SULPHUR PARTICLES IN WATER; AND CONDUCTING THE SLURRY TO SAID DISTANT LOCATION.
Claim 2
Dependent Claim
115 words
A CONTINUOUS FLOW PROCESS FOR TAKING MOLTEN SULPHUR FROM THE GROUND BY THE FRASCH PROCESS, PREPARING A SLURRY OF SULPHUR PARTICLES IN WATER, AND TRANSPORTING A SLURRY TO A DISTANT LOCATION COMPRISING: CONDUCTING THE MOLTEN SULPHUR TO THE SURFACE; MIXING THE MOLTEN SULPHUR WITH HOT WATER KEPT UNDER PRESSURE AND AT A TEMPERATURE ABOVE THE MELTING POINT OF SULPHUR TO PREVENT SOLIDIFICATION OF THE MOLTEN SULPHUR AT THE POINT OF CONTACT WITH THE WATER AND PRODUCE A DISPERSION OF LIQUID SULPHUR DROPLETS IN HOT WATER: THEN ADDING COLD WATER TO THE DISPERSION TO SOLIDIFY THE LIQUID SULPHUR DROPLETS TO PRODUCE A SLURRY OF SULPHUR PARTICLES IN WATER; AND CONDUCTING THE SLURRY TO SAID DISTANT LOCATION.
References Cited (Backward Citations)
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US2280703A
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |