US3553100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upgrading of oil recovered from bituminous sands
Assignee: Shell USA Inc
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Filing: 1968-09-18
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Granted: 1971-01-05
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Expires: 1988-09-18
Abstract
Abstract A PROCESS FOR BREAKING OR SEPARATING AN EMULSIFIED MIXTURE OF LIQUID HYDROCARBON, INSOLUBLE FLUID AND FINELY DIVIDED SOLID MATERIAL. THE EMULSIFIED MIXTURE IS MIXED WITH A VOLUME OF HOT BRINE HAVING CONTROLLED PH AND CONTAINING A SURFACTANT MATERIAL IN WHICH ETHYLENE OXIDE GROUPS ACYL RADICALS, AND FROM ABOUT 10 TO 22 CARBON ATOMS ARE CONTAINED IN EACH OF THE MOLECULES OF A SURFACTANT THAT EXHIBITS A SIGNIFICANT AMOUNT OF SOLUBILITY IN BOTH OIL AND BRINE. HYDROCARBON MATERIALS, THAT ARE SUBSTANTIALLY FREE OF SOLIDS AND AQUEOUS LIQUIDS AND FLOAT IN THE BRINE ARE ISOLATED AND THE HYDROCARBON COMPONENTS OF THE ISOLATED MATERIALS ARE RECOVERED.
Inventors
- 👤 Robert M Jorda
- 👤 James H Barkman Jr
- 👤 Homer F Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/04; C10G1/045; C10G33/00; C10G33/04; Y; Y10; Y10S; Y10S159/00; Y10S159/04; Y10S159/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |