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Patent US2966450A successfully refreshed from Google Patents.
US2966450A
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Shale oil refining process using a selective solvent and anhydrous hydrogen chloride
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-04-25
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Granted: 1960-12-27
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Ellert Henry George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:54
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/002; C10G17/00; C10G17/02; C10G21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR TREATING A CRUDE SHALE OIL CONTAINING SUBSTANTIAL AMOUNTS OF NITROGENOUS CONSTITUENTS AND CONRADSON CARBON WHICH COMPRISES AGITATING SAID OIL WITH ABOUT 0.5 TO 10 VOLUMES OF A SELECTIVE HYDROCARBON SOLVENT BOILING IN THE RANGE OF -45* TO 250*F. AT A TEMPERATURE AND PRESSURE TO MAINTAIN SAID SOLVENT AND OIL IN A LIQUID STATE, SATURATING SAID MIXTURE WITH AN ANHYDROUS GASEOUS HYDROGEN CHLORIDE IN THE AMOUNT OF ABOUT 0.5 TO ABOUT 4.0 EQUIVALENTS OF ACID PER EQUIVALENT OF NITROGEN IN SAID SHALE OIL, SEPARATING A SOLVENT LAYER FROM A SLUDGE LAYER, AND RECOVERING A HIGH QUALITY CATALYTIC CRACKING FEED STOCK FROM SAID SOLVENT LAYER.
Claim 2
Dependent Claim
106 words
A PROCESS FOR TREATING A CRUDE SHALE OIL CONTAINING SUBSTANTIAL AMOUNTS OF NITROGENOUS CONSTITUENTS AND CONRADSON CARBON WHICH COMPRISES AGITATING SAID OIL WITH ABOUT 0.5 TO 10 VOLUMES OF A SELECTIVE HYDROCARBON SOLVENT BOILING IN THE RANGE OF -45* TO 250*F. AT A TEMPERATURE AND PRESSURE TO MAINTAIN SAID SOLVENT AND OIL IN A LIQUID STATE, SATURATING SAID MIXTURE WITH AN ANHYDROUS GASEOUS HYDROGEN CHLORIDE IN THE AMOUNT OF ABOUT 0.5 TO ABOUT 4.0 EQUIVALENTS OF ACID PER EQUIVALENT OF NITROGEN IN SAID SHALE OIL, SEPARATING A SOLVENT LAYER FROM A SLUDGE LAYER, AND RECOVERING A HIGH QUALITY CATALYTIC CRACKING FEED STOCK FROM SAID SOLVENT LAYER.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |