Patent US3261775A successfully refreshed from Google Patents.
US3261775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coking process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-04-23
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Granted: 1966-07-19
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Don E Blaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:50
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; C10G; C10G1/00; C10G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
256 words
A PROCESS FOR OBTAINING OIL FROM AN ADMIXTURE OF WATER AND MINERAL SOLIDS WHICCH COMPRISES COUNTERCURRENTLY CONTACTING SAID MIXTURE IN A VESSEL WITH HOT FLUE GAS THEREBY REMOVING THE GREATER PORTION OF THE SAID WATER, PASSING THE RESULTING MIXTURE INTO A COKING ZONE WHEREIN IT IS CONTACTED WITH A DENSE FLUIDIZED BED OF SOLID PARTICLES MAINTANED AT A TEMPERATURE BETWEEN 8001200*F., WHEREIN THE OIL IS CONVERTED TO PRODUCT VAPORS AND COKE IS DEPOSITED ON THE SAID SOLID PARTICLES AND A COHESIVE FORCE IS FORMED BETWEEN THE SAID DEPOSITED COKE AND THE SAID SOLIDS, REMOVING PRODUCT VAPORS FROM THE SAID COKING ZONE, REMOVING A PORTION OF THE COKE-CONTAINING SOLID PARTICLES TO A FIRST BURNING ZONE, SAID ZONE BEING MAINTANED AT A TEMPERATURE OF 800-1400*F., THEREBY INCREASING THE TEMPERATURE OF THE SAID PARTICLES AND BURNING SOME OF SAID COKE, RETURNING A PORTION OF THE SAID HEATED PARTICLES TO THE SAID COKING ZONE, PASSING A SECOND PORTION OF THE SAID COKE-CONTAINING SOLID PARTICLES FROM SAID FIRST BURNING ZONE TO A SECOND BURNER MAINTAINED AT A TEMPERATURE OF 1000:1500*F. TO BURN ALL OF THE SAID COKE, PASSING THE HOT FLUE GASES FROM THE SAID SECOND BURNER INTO THE SAID FRIRST BURNER THEREBY COMBINING THE FLUE GASES, SUBJECTING THE SAID COMBINED FLUE GASES TO CENTRIFUGAL FORCE SO THAT ANY ENTRAINED SOLIDS ARE REMOVED, AND UTILIZING SAID HOT FULE GASES FROM WHICH ENTRAINED SOLIDS HAVE BEEN REMOVED AS THE HOT FLUE GAS PASSED INTO THE BOTTOM OF THE SAID VESSEL FOR COUNTERCURRENTLY CONTACTING THE SAID MIXTURE OF OIL, WATER AND MINERAL SOLIDS.
Claim 2
Dependent Claim
256 words
A PROCESS FOR OBTAINING OIL FROM AN ADMIXTURE OF WATER AND MINERAL SOLIDS WHICCH COMPRISES COUNTERCURRENTLY CONTACTING SAID MIXTURE IN A VESSEL WITH HOT FLUE GAS THEREBY REMOVING THE GREATER PORTION OF THE SAID WATER, PASSING THE RESULTING MIXTURE INTO A COKING ZONE WHEREIN IT IS CONTACTED WITH A DENSE FLUIDIZED BED OF SOLID PARTICLES MAINTANED AT A TEMPERATURE BETWEEN 8001200*F., WHEREIN THE OIL IS CONVERTED TO PRODUCT VAPORS AND COKE IS DEPOSITED ON THE SAID SOLID PARTICLES AND A COHESIVE FORCE IS FORMED BETWEEN THE SAID DEPOSITED COKE AND THE SAID SOLIDS, REMOVING PRODUCT VAPORS FROM THE SAID COKING ZONE, REMOVING A PORTION OF THE COKE-CONTAINING SOLID PARTICLES TO A FIRST BURNING ZONE, SAID ZONE BEING MAINTANED AT A TEMPERATURE OF 800-1400*F., THEREBY INCREASING THE TEMPERATURE OF THE SAID PARTICLES AND BURNING SOME OF SAID COKE, RETURNING A PORTION OF THE SAID HEATED PARTICLES TO THE SAID COKING ZONE, PASSING A SECOND PORTION OF THE SAID COKE-CONTAINING SOLID PARTICLES FROM SAID FIRST BURNING ZONE TO A SECOND BURNER MAINTAINED AT A TEMPERATURE OF 1000:1500*F. TO BURN ALL OF THE SAID COKE, PASSING THE HOT FLUE GASES FROM THE SAID SECOND BURNER INTO THE SAID FRIRST BURNER THEREBY COMBINING THE FLUE GASES, SUBJECTING THE SAID COMBINED FLUE GASES TO CENTRIFUGAL FORCE SO THAT ANY ENTRAINED SOLIDS ARE REMOVED, AND UTILIZING SAID HOT FULE GASES FROM WHICH ENTRAINED SOLIDS HAVE BEEN REMOVED AS THE HOT FLUE GAS PASSED INTO THE BOTTOM OF THE SAID VESSEL FOR COUNTERCURRENTLY CONTACTING THE SAID MIXTURE OF OIL, WATER AND MINERAL SOLIDS.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |