US2560330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of refining kerosene with bauxite and sulfur dioxide
Assignee: Standard Oil Development Co
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Filing: 1948-09-24
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Granted: 1951-07-10
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Expires: 1968-09-24
Abstract
No abstract record available.
Inventors
- 👤 Richard C Brandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:37
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/08; C10G21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
PROCESS FOR THE PRODUCTION OF A KEROSENE OF RELATIVELY LOW SULFUR CONTENT WHICH COMPRISES TREATING IN THE VAPOR PHASE AT A TEMPERATURE BETWEEN 600 AND 850* F. AND AT A PRESSURE BETWEEN 0 AND 50 LBS. PER SQUARE INCH A HYDROCARBON FRACTION BOILING IN THE KEROSENE BOILING RANGE IN AN INITIAL STAGE WITH BAUXITE, WITHDRAWING A BAUXITE-TREATED FRACTION, CONDENSING THE SAME, AND CONTACTING IT IN THE LIQUID PHASE IN A SECONDARY STAGE WITH LIQUID SULFUR DIOXIDE AND RECOVERING A KEROSENE FRACTION OF A RELATIVELY LOW SULFUR CONTENT FROM SAID SECONDARY STAGE.
Claim 2
Dependent Claim
91 words
PROCESS FOR THE PRODUCTION OF A KEROSENE OF RELATIVELY LOW SULFUR CONTENT WHICH COMPRISES TREATING IN THE VAPOR PHASE AT A TEMPERATURE BETWEEN 600 AND 850* F. AND AT A PRESSURE BETWEEN 0 AND 50 LBS. PER SQUARE INCH A HYDROCARBON FRACTION BOILING IN THE KEROSENE BOILING RANGE IN AN INITIAL STAGE WITH BAUXITE, WITHDRAWING A BAUXITE-TREATED FRACTION, CONDENSING THE SAME, AND CONTACTING IT IN THE LIQUID PHASE IN A SECONDARY STAGE WITH LIQUID SULFUR DIOXIDE AND RECOVERING A KEROSENE FRACTION OF A RELATIVELY LOW SULFUR CONTENT FROM SAID SECONDARY STAGE.
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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |