US2874113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products separating system
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-12-16
•
Granted: 1959-02-17
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Brook I Smith
- 👤 Edward D Boston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:16
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/005; B01J8/0055; C; C10; C10G; C10G9/00; C10G9/28; C10G9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
THE PROCESS OF CONVERTING A HEAVY HYDROCARBON OIL TO LOW MOLECULES WEIGHT PRODUCTS INCLUDING UNSATURATES AND AROMATICS, HAVING A TENDENCY TO DEGENERATE AT HIGH TEMPERATURES, AND COKE, WHICH COMPRISES CONTACTING SAID OIL MOMENTARILY WITH HOT PARTICULATE SOLIDS IN THE DISPERSE PHASE AT A TEMPERATURE OF ABOUT 1200* TO 1600* F. FOR A PERIOD OF TIME IN THE RANGE OF 0.001 TO 1 SECOND TO FORM PRIMARY PRODUCTS IN VAPOR FORM AND COKE, QUICKLY SEPARATING IN A PRIMARY SEPARATION STAGE THE PRIMARY VAPORS FROM SAID SOLIDS AND COKE WHILE SOME FURTHER CONVERSION OF OIL IS STILL TAKING PLACE ON SAID SOLIDS TO FORM SECONDARY PRODUCT, QUENCHING AND SEPARATELY RECOVERING THE PRIMARY PRODUCTS IMMEDIATELY TO PREVENT DEGENERATION, QUICKLY PASSING THE SEPARATED SOLIDS DOWNWARDLY FROM SAID PRIMARY SEPARATION STAGE THROUGH A PASSAGE HAVING A SHARPLY CONSTRICTED SECTION THEREIN INTO A SOLIDS DRYING ZONE WHERE SAID FURTHER CONVERSION IS COM-
Claim 2
Dependent Claim
146 words
THE PROCESS OF CONVERTING A HEAVY HYDROCARBON OIL TO LOW MOLECULES WEIGHT PRODUCTS INCLUDING UNSATURATES AND AROMATICS, HAVING A TENDENCY TO DEGENERATE AT HIGH TEMPERATURES, AND COKE, WHICH COMPRISES CONTACTING SAID OIL MOMENTARILY WITH HOT PARTICULATE SOLIDS IN THE DISPERSE PHASE AT A TEMPERATURE OF ABOUT 1200* TO 1600* F. FOR A PERIOD OF TIME IN THE RANGE OF 0.001 TO 1 SECOND TO FORM PRIMARY PRODUCTS IN VAPOR FORM AND COKE, QUICKLY SEPARATING IN A PRIMARY SEPARATION STAGE THE PRIMARY VAPORS FROM SAID SOLIDS AND COKE WHILE SOME FURTHER CONVERSION OF OIL IS STILL TAKING PLACE ON SAID SOLIDS TO FORM SECONDARY PRODUCT, QUENCHING AND SEPARATELY RECOVERING THE PRIMARY PRODUCTS IMMEDIATELY TO PREVENT DEGENERATION, QUICKLY PASSING THE SEPARATED SOLIDS DOWNWARDLY FROM SAID PRIMARY SEPARATION STAGE THROUGH A PASSAGE HAVING A SHARPLY CONSTRICTED SECTION THEREIN INTO A SOLIDS DRYING ZONE WHERE SAID FURTHER CONVERSION IS COM-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |