US3175970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a jet fuel
Assignee: Gulf Research and Development Co
•
Filing: 1962-03-20
•
Granted: 1965-03-30
•
Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Paul G Bercik
- 👤 Beuther Harold
- 👤 Alfred M Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:31
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10G; C10G2400/00; C10G2400/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS OF MAKING A HYDROCARBON COMPOSITION ADAPTED TO BE EMPLOYED AS A JET FUEL WHICH COMPRISES FRACTIONATING A CATALYTIC CRACKING CYCLE OIL TO OBTAIN A FRACTION CONTAINING NITROGEN AND SULFUR AND HAVING AN INITIAL BOILING POINT MORE THAN 475*F., A 50 PERCENT POINT MORE THAN 550*F., A 75 PERCENT POINT LESS THAN 675*F. AND AN END POINT LESS THAN 715*F., SOLVENT EXTRACTING SAID FRACTION, RECOVERING THE EXTRACT, REDUCING THE SULFUR AND NITROGEN CONTENT OF SAID EXTRACT BY CATALYTIC HYDROGENATION, CATALYTICALLY HYDROGENATING THE RESULTING COMPOSITION TO SATURATE SAID COMPOSITION, FRACTIONATING THE RESULTING HYDROGENATED COMPOSITION, AND RECOVERING FROM SAID HYDROGENAT*ED COMPOSITION A FUEL HAVING A NET HEAT OF COMBUSTION OF MORE THAN 18350 B.T.U''S PER POUND AND MORE THAN 135000 B.T.U.''S PER GALLON OF THE FUEL.
Claim 2
Dependent Claim
125 words
A PROCESS OF MAKING A HYDROCARBON COMPOSITION ADAPTED TO BE EMPLOYED AS A JET FUEL WHICH COMPRISES FRACTIONATING A CATALYTIC CRACKING CYCLE OIL TO OBTAIN A FRACTION CONTAINING NITROGEN AND SULFUR AND HAVING AN INITIAL BOILING POINT MORE THAN 475*F., A 50 PERCENT POINT MORE THAN 550*F., A 75 PERCENT POINT LESS THAN 675*F. AND AN END POINT LESS THAN 715*F., SOLVENT EXTRACTING SAID FRACTION, RECOVERING THE EXTRACT, REDUCING THE SULFUR AND NITROGEN CONTENT OF SAID EXTRACT BY CATALYTIC HYDROGENATION, CATALYTICALLY HYDROGENATING THE RESULTING COMPOSITION TO SATURATE SAID COMPOSITION, FRACTIONATING THE RESULTING HYDROGENATED COMPOSITION, AND RECOVERING FROM SAID HYDROGENAT*ED COMPOSITION A FUEL HAVING A NET HEAT OF COMBUSTION OF MORE THAN 18350 B.T.U''S PER POUND AND MORE THAN 135000 B.T.U.''S PER GALLON OF THE FUEL.
References Cited (Backward Citations)
US3001932A
Cited
US3077733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |