Patent US2877278A successfully refreshed from Google Patents.
US2877278A
Expired / Lapsed
US
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Fluid bed trap for conversion systems
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-02-04
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Granted: 1959-03-10
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Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Jr John Frederick Moser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:29
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; C; C10; C10G; C10G9/00; C10G9/28; C10G9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A PROCESS OF CONVERTING A HYDROCARBON OIL TO LOWER MOLECULAR WEIGHT, NORMALLY GASEOUS, UNSATURATED HYDROCARBONS AND COKE BY CONTACTING THE HYDROCARBON OIL WITH A FLUIDIZED, DISPERSED SUSPENSION OF HOT PARTICULATE SOLIDS AND SEPARATING THE GASEOUS PRODUCTS FROM SOLIDS IN A VAPOR SOLIDS SEPARATING ZONE, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF QUENCHING THE SPEARATED GASEOUS PRODUCTS AT A TEMPERATURE SUFFICIENT TO PREVENT FURTHER REACTION BUT INSUFFICIENT TO CONDENSE MORE THAN A MINOR AMOUNT OF THE GASEOUS PRODUCTS; FEEDING THE QUENCHED STREAM INTO A DENSE, TURBULENT, FLUIDIZED BED OF PARTICULATE SOLIDS AT ABOUT THE SAME TEMPERATURE AS THE QUENCHED STREAM OF FURTHER REMOVE THEREFROM SOLIDS NOT SEPARATED IN THE VAPOR SOLIDS SEPARATION ZONE AND WITHDRAWING GASEOUS PRODUCTS FROM THE DENSE, TURBULENT, FLUIDIZED BED.
Claim 2
Dependent Claim
123 words
IN A PROCESS OF CONVERTING A HYDROCARBON OIL TO LOWER MOLECULAR WEIGHT, NORMALLY GASEOUS, UNSATURATED HYDROCARBONS AND COKE BY CONTACTING THE HYDROCARBON OIL WITH A FLUIDIZED, DISPERSED SUSPENSION OF HOT PARTICULATE SOLIDS AND SEPARATING THE GASEOUS PRODUCTS FROM SOLIDS IN A VAPOR SOLIDS SEPARATING ZONE, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF QUENCHING THE SPEARATED GASEOUS PRODUCTS AT A TEMPERATURE SUFFICIENT TO PREVENT FURTHER REACTION BUT INSUFFICIENT TO CONDENSE MORE THAN A MINOR AMOUNT OF THE GASEOUS PRODUCTS; FEEDING THE QUENCHED STREAM INTO A DENSE, TURBULENT, FLUIDIZED BED OF PARTICULATE SOLIDS AT ABOUT THE SAME TEMPERATURE AS THE QUENCHED STREAM OF FURTHER REMOVE THEREFROM SOLIDS NOT SEPARATED IN THE VAPOR SOLIDS SEPARATION ZONE AND WITHDRAWING GASEOUS PRODUCTS FROM THE DENSE, TURBULENT, FLUIDIZED BED.
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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |