Patent US2717867A successfully refreshed from Google Patents.
US2717867A
Expired / Lapsed
US
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Hydrocarbon conversion
Assignee: MW Kellogg Co
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Filing: 1949-11-26
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Granted: 1955-09-13
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Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Jewell
- 👤 William B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:54
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/28; C10G9/32; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PROCESS FOR COKING AND DISTILLING RESIDUAL HYDROCARBON OIL WHICH COMPRISES FORMING AND MAINTAINING IN THE LOWER PART OF A COKING ZONE A HORIZONTALLY EXTENDED BED OF FINELY DIVIDED HOT COKE, FLOWING AERATING GAS UPWARDLY THROUGH SAID COKE BED TO MAINTAIN ALL PARTS THEREOF IN A RELATIVELY DENSE FLUIDIZED CONDITION WHEREBY THE BED IS CAPABLE OF LATERAL FLOW, DISCHARGING A MIXTURE OF HOT FINELY DIVIDED COKE AND RESIDUAL OIL INTO THE COKING ZONE AT ONE END OF THE COKE BED WHEREBY THE ADDED COKE MERGES WITH THE COKE BED AND THE RESIDUAL OIL IS PARTLY VAPORIZED BY THE HEAT OF THE ADDED HOT COKE AND THE UNVAPORIZED PORTION IS DEPOSITED ON THE SURFACES OF HOT COKE PARTICLES FOR DISTILLATION AND DECOMPOSITION BY THE HEAT OF THE COKE CONTINUOUSLY STRIPPING SAID OIL VAPORS FROM SAID HORIZONTALLY FLOWING BED BY MEANS OF SAID AERATING GAS TO DIMINISH THE AMOUNT OF OIL VAPOR IN SAID BED AS IT FLOWS DOWNSTREAM, MAINTAINING A DISENGAGING SPACE ABOVE SAID HORIZONTALLY FLOWING BED FOR COLLECTING SAID VAPORIZED
Claim 2
Dependent Claim
170 words
A PROCESS FOR COKING AND DISTILLING RESIDUAL HYDROCARBON OIL WHICH COMPRISES FORMING AND MAINTAINING IN THE LOWER PART OF A COKING ZONE A HORIZONTALLY EXTENDED BED OF FINELY DIVIDED HOT COKE, FLOWING AERATING GAS UPWARDLY THROUGH SAID COKE BED TO MAINTAIN ALL PARTS THEREOF IN A RELATIVELY DENSE FLUIDIZED CONDITION WHEREBY THE BED IS CAPABLE OF LATERAL FLOW, DISCHARGING A MIXTURE OF HOT FINELY DIVIDED COKE AND RESIDUAL OIL INTO THE COKING ZONE AT ONE END OF THE COKE BED WHEREBY THE ADDED COKE MERGES WITH THE COKE BED AND THE RESIDUAL OIL IS PARTLY VAPORIZED BY THE HEAT OF THE ADDED HOT COKE AND THE UNVAPORIZED PORTION IS DEPOSITED ON THE SURFACES OF HOT COKE PARTICLES FOR DISTILLATION AND DECOMPOSITION BY THE HEAT OF THE COKE CONTINUOUSLY STRIPPING SAID OIL VAPORS FROM SAID HORIZONTALLY FLOWING BED BY MEANS OF SAID AERATING GAS TO DIMINISH THE AMOUNT OF OIL VAPOR IN SAID BED AS IT FLOWS DOWNSTREAM, MAINTAINING A DISENGAGING SPACE ABOVE SAID HORIZONTALLY FLOWING BED FOR COLLECTING SAID VAPORIZED
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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) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |