US3030299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of jet fuels
Assignee: Shell USA Inc
•
Filing: 1959-10-19
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Granted: 1962-04-17
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Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Donald P Plummer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C10G; C10G21/00; C10G2400/00; C10G2400/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR THE PRODUCTION OF THERMAL-STABLE AVIATION JET FUEL CALORIFIC VALUE COMPRISING (1) CATALYTICALLY REFORMING A PETROLEUM FRACTION HAVING AN INITIAL BOILING POINT BETWEEN ABOUT 60*C. AND ABOUT 150*C. IN THE PRESENCE OF AN ACIDIC PLATINUM CATALYST AND HYDROGEN UNDER PRESSURE TO OBTAIN A REFORMATE, (2) SEPARATING FROM SAID REFORMATE A HEAVY FRACTION HAVING AN INITITAL BOILING POINT ABOVE ABOUT 80*C. BY FRACTIONAL DISTILLATION, (3) EXTRACTING SAID HEAVY FRACTION WITH AN AROMATIC SELECTIVE SOLVENT SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC AND SULFOLANE SOLVENTS TO OBTAIN HIGH PARAFFINIC CONTENT HYDROCARBON PRODUCTS CONTAINING LESS THAN ABOUT 5% BY WEIGHT AROMATICS, AND (4) BLENDING THE HIGH PARAFFINIC CONTENT HYDROCARBON WITH A MINOR PORTION OF A LIGHT HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF BUTANE, PENTANE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
127 words
A PROCESS FOR THE PRODUCTION OF THERMAL-STABLE AVIATION JET FUEL CALORIFIC VALUE COMPRISING (1) CATALYTICALLY REFORMING A PETROLEUM FRACTION HAVING AN INITIAL BOILING POINT BETWEEN ABOUT 60*C. AND ABOUT 150*C. IN THE PRESENCE OF AN ACIDIC PLATINUM CATALYST AND HYDROGEN UNDER PRESSURE TO OBTAIN A REFORMATE, (2) SEPARATING FROM SAID REFORMATE A HEAVY FRACTION HAVING AN INITITAL BOILING POINT ABOVE ABOUT 80*C. BY FRACTIONAL DISTILLATION, (3) EXTRACTING SAID HEAVY FRACTION WITH AN AROMATIC SELECTIVE SOLVENT SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC AND SULFOLANE SOLVENTS TO OBTAIN HIGH PARAFFINIC CONTENT HYDROCARBON PRODUCTS CONTAINING LESS THAN ABOUT 5% BY WEIGHT AROMATICS, AND (4) BLENDING THE HIGH PARAFFINIC CONTENT HYDROCARBON WITH A MINOR PORTION OF A LIGHT HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF BUTANE, PENTANE AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2899377A
Cited
US2874114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |