Patent US2624697A successfully refreshed from Google Patents.
US2624697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coking in a fluidized state
Assignee: Sinclair Refining Co
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Filing: 1950-05-09
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Granted: 1953-01-06
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Expires: 1970-05-09
Abstract
No abstract record available.
Inventors
- 👤 Easten R Clouse
- 👤 Rudolph C Woerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN THE COKING OF HYDROCARBON OILS BY CONTACTING A COKING CHARGE STOCK AT A COKING TEMPERATURE WITH A BODY OF COKE PARTICLES MAINTAINED IN A FLUIDIZED STATE IN A COKING VESSEL FROM WHICH LARGE COKE PARTICLES ARE SELECTIVELY WITHDRAWN BY ELUTRIATION AND FROM WHICH REACTION VAPORS ARE WITHDRAWN OVERHEAD, THE IMPROVEMENT WHICH COMPRISES SUPPRESSING ENTRAINMENT OF COKE FINES IN THE OVERHEAD VAPORS BY TANGENTIALLY INJECTING STEAM INTO THE UPPER PORTION OF THE COKING VESSEL WHEREBY A WHIRLING MOTION IS IMPOSED UPON THE STREAM OF VAPORS RISING FROM THE BODY OF COKE PARTICLES IN THE COKING VESSEL PRIOR TO WITHDRAWAL OVERHEAD OF TH VAPOR STREAM.
Claim 2
Dependent Claim
104 words
IN THE COKING OF HYDROCARBON OILS BY CONTACTING A COKING CHARGE STOCK AT A COKING TEMPERATURE WITH A BODY OF COKE PARTICLES MAINTAINED IN A FLUIDIZED STATE IN A COKING VESSEL FROM WHICH LARGE COKE PARTICLES ARE SELECTIVELY WITHDRAWN BY ELUTRIATION AND FROM WHICH REACTION VAPORS ARE WITHDRAWN OVERHEAD, THE IMPROVEMENT WHICH COMPRISES SUPPRESSING ENTRAINMENT OF COKE FINES IN THE OVERHEAD VAPORS BY TANGENTIALLY INJECTING STEAM INTO THE UPPER PORTION OF THE COKING VESSEL WHEREBY A WHIRLING MOTION IS IMPOSED UPON THE STREAM OF VAPORS RISING FROM THE BODY OF COKE PARTICLES IN THE COKING VESSEL PRIOR TO WITHDRAWAL OVERHEAD OF TH VAPOR STREAM.
References Cited (Backward Citations)
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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) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |