Patent US2098849A successfully refreshed from Google Patents.
Patent US3172839A successfully refreshed from Google Patents.
US3172839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jnoz noixvnoildvaj
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
C; C10; C10G; C10G47/00; C10G2400/00; C10G2400/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
THE METHOD OF PRODUCING JET FUELS OF HIGH LUMINOMETER NUMBER, WHICH COMPRISES CONTACTING A HYDROCARBON FEED SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON DISTILLATES BOILING ABOVE 500*F. AND HYDROCARBON RESIDUA BOILING ABOVE ABOUT 1050*F. IN A HYDROCRACKING ZONE, IN THE PRESENCE OF AT LEAST 1000 S.C.F. OF HYDROGEN PER BARREL OF SAID FEED, WITH A CATALYST COMPRISING A HYDROGENATING-DEHYDROGENATING COMPONENT ASSOCIATED WITH AN ACTIVE CRACKING SUPPORT AT A TEMPERATURE OF ABOUT FROM 400* TO 900*F., A PRESSURE OF AT LEAST 500 P.S.I.G., AND AN LHSV OF ABOUT FROM 0.1 TO 15, WITHDRAWING FROM SAID ZONE AT LEAST ONE NORMALLY GASEOUS FRACTION AT LEAST ONE NAPHTHA FRACTION, AND A SYNTHETIC JET FUEL FRACTION BOILING IN THE RANGE OF ABOUT FROM 320* TO 500*F., RECYCLING TO SAID ZONE AT LEAST 5 VOLUME PERCENT OF THE PORTION OF SAID SYNTHETIC JET FUEL FRACTION, AND RECOVERING AS A NET PRODUCT AT LEAST A PORTION BOILING BELOW ABOUT 500*F. OF THE UNRECYCLED REMAINDER OF SAID SYNTHETIC JET FUEL FRACTION.
Claim 2
Independent Claim
164 words
THE METHOD OF PRODUCING JET FUELS OF HIGH LUMINOMETER NUMBER, WHICH COMPRISES CONTACTING A HYDROCARBON FEED SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON DISTILLATES BOILING ABOVE 500*F. AND HYDROCARBON RESIDUA BOILING ABOVE ABOUT 1050*F. IN A HYDROCRACKING ZONE, IN THE PRESENCE OF AT LEAST 1000 S.C.F. OF HYDROGEN PER BARREL OF SAID FEED, WITH A CATALYST COMPRISING A HYDROGENATING-DEHYDROGENATING COMPONENT ASSOCIATED WITH AN ACTIVE CRACKING SUPPORT AT A TEMPERATURE OF ABOUT FROM 400* TO 900*F., A PRESSURE OF AT LEAST 500 P.S.I.G., AND AN LHSV OF ABOUT FROM 0.1 TO 15, WITHDRAWING FROM SAID ZONE AT LEAST ONE NORMALLY GASEOUS FRACTION AT LEAST ONE NAPHTHA FRACTION, AND A SYNTHETIC JET FUEL FRACTION BOILING IN THE RANGE OF ABOUT FROM 320* TO 500*F., RECYCLING TO SAID ZONE AT LEAST 5 VOLUME PERCENT OF THE PORTION OF SAID SYNTHETIC JET FUEL FRACTION, AND RECOVERING AS A NET PRODUCT AT LEAST A PORTION BOILING BELOW ABOUT 500*F. OF THE UNRECYCLED REMAINDER OF SAID SYNTHETIC JET FUEL FRACTION.
References Cited (Backward Citations)
US2965564A
Cited
US2944005A
Cited
US3012961A
Cited
US3008895A
Cited
US3000815A
Cited
US3092567A
Cited
US3072560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |