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US2763601A
Expired / Lapsed
US
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Conversion of hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-05-27
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Granted: 1956-09-18
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Expires: 1973-05-27
Abstract
No abstract record available.
Inventors
- 👤 Homer Z Martin
- 👤 Harvey E W Burnside
- 👤 Frank T Barr
- 👤 Robert W Krebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:29
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/28; C10G9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD OF CRACKING OILS WHICH CONTAIN CONSTITUENTS UNVAPORIZABLE AT ORDINARY PRESSURES WITHOUT CRACKING WHICH COMPRISES CONTACTING HYDROCARBON OIL WITH A DENSE FLUIDIZED HIGHLY TURBULENT BED OF FINELY DIVIDED SOLIDS IN A CRACKING ZONE MAINTAINED AT A TEMPERATURE ABOVE ABOUT 800* F. TO PRODUCE LOWER BOILING HYDROCARBONS WHILE DEPOSITING COKE ON THE SOLIDS, SAID CRACKING ZONE CONTAINING A DISPERSE PHASE ABOVE THE TURBULENT BED, REMOVING COKE-CONTAINING SOLIDS FROM SAID CRACKING ZONE AND PASSING THEM TO A SEPARATE COMBUSTION ZONE WHERE OXYGEN-CONTAINING GAS IS INTRODUCED TO BURN THE COKE AND HEAT THE SOLID PARTICLES TO A TEMPERATURE ABOVE THAT EXISTING IN SAID CRACKING ZONE, SEPARATELY RECOVERING FLUE GAS FROM
Claim 2
Independent Claim
108 words
A METHOD OF CRACKING OILS WHICH CONTAIN CONSTITUENTS UNVAPORIZABLE AT ORDINARY PRESSURES WITHOUT CRACKING WHICH COMPRISES CONTACTING HYDROCARBON OIL WITH A DENSE FLUIDIZED HIGHLY TURBULENT BED OF FINELY DIVIDED SOLIDS IN A CRACKING ZONE MAINTAINED AT A TEMPERATURE ABOVE ABOUT 800* F. TO PRODUCE LOWER BOILING HYDROCARBONS WHILE DEPOSITING COKE ON THE SOLIDS, SAID CRACKING ZONE CONTAINING A DISPERSE PHASE ABOVE THE TURBULENT BED, REMOVING COKE-CONTAINING SOLIDS FROM SAID CRACKING ZONE AND PASSING THEM TO A SEPARATE COMBUSTION ZONE WHERE OXYGEN-CONTAINING GAS IS INTRODUCED TO BURN THE COKE AND HEAT THE SOLID PARTICLES TO A TEMPERATURE ABOVE THAT EXISTING IN SAID CRACKING ZONE, SEPARATELY RECOVERING FLUE GAS FROM
References Cited (Backward Citations)
US2445328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |