US2810679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of coke formation in upper portion of fluid coker
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-11-29
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Granted: 1957-10-22
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Expires: 1975-11-29
Abstract
No abstract record available.
Inventors
- 👤 Richard R Haig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:09
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SYSTEM FOR COKING HEAVY HYDROCARBON OIL FEEDS COMPRISING A RACTOR; MEANS FOR INTRODUCTING FEED INTO SAID REACTOR; MEANS FOR INTRODUCING PARTICLES INTO SAID REACTOR; MEANS FOR FLUIDIZING THE PARTICLES IN SAID REACTOR; IN AN UPPER PORTION OF SAID REACTOR AN UPWARDLY CONVERGING, IMPERFORATE BAFFLE RADIALLY SPACED FROM THE INNER WALL OF SAID REACTOR AND FORMING AN UPWARDLY CONVERGING, CONFINED PASSAGE FOR HYDROCARBON VAPORS TO THE INLET OF A CYCLONE ENCLOSED BY SAID BAFFLE AND AN ANNULAR SECTION OPENING INTO A LOWER PORTION OF SAID REACTOR; VAPOR-SOLIDS SEPARATING MEANS EXTERNAL OF SAID REACTOR; CONDUIT MEANS FOR INTRODUCING HOT GASES AND SOLIDS INTO SAID EXTERNAL VAPOR-SOLIDS SEPARATING MEANS; CONDUIT MEANS FOR TRANSPORTING GASES AND FINE SOLIDS FROM SAID VAPOR-SOLIDS SEPARATING MEANS INTO THE SAID REACTOR ABOVE THE BAFFLE AND CONDUIT MEANS FOR TRANSPORTING COARSE SOLIDS FROM SAID VAPOR-SOLIDS SEPARATING MEANS TO A LOWER PROTION OF SAID REACTOR BELOW THE BAFFLE.
Claim 2
Independent Claim
149 words
A SYSTEM FOR COKING HEAVY HYDROCARBON OIL FEEDS COMPRISING A RACTOR; MEANS FOR INTRODUCTING FEED INTO SAID REACTOR; MEANS FOR INTRODUCING PARTICLES INTO SAID REACTOR; MEANS FOR FLUIDIZING THE PARTICLES IN SAID REACTOR; IN AN UPPER PORTION OF SAID REACTOR AN UPWARDLY CONVERGING, IMPERFORATE BAFFLE RADIALLY SPACED FROM THE INNER WALL OF SAID REACTOR AND FORMING AN UPWARDLY CONVERGING, CONFINED PASSAGE FOR HYDROCARBON VAPORS TO THE INLET OF A CYCLONE ENCLOSED BY SAID BAFFLE AND AN ANNULAR SECTION OPENING INTO A LOWER PORTION OF SAID REACTOR; VAPOR-SOLIDS SEPARATING MEANS EXTERNAL OF SAID REACTOR; CONDUIT MEANS FOR INTRODUCING HOT GASES AND SOLIDS INTO SAID EXTERNAL VAPOR-SOLIDS SEPARATING MEANS; CONDUIT MEANS FOR TRANSPORTING GASES AND FINE SOLIDS FROM SAID VAPOR-SOLIDS SEPARATING MEANS INTO THE SAID REACTOR ABOVE THE BAFFLE AND CONDUIT MEANS FOR TRANSPORTING COARSE SOLIDS FROM SAID VAPOR-SOLIDS SEPARATING MEANS TO A LOWER PROTION OF SAID REACTOR BELOW THE BAFFLE.
References Cited (Backward Citations)
US2734832A
Cited
US2614069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |