Patent US2885272A successfully refreshed from Google Patents.
US2885272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluid bed coking of heavy oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-10-07
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Granted: 1959-05-05
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
- 👤 Clark E Adams
- 👤 Jr John F Moser
- 👤 Jr Lindsay I Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:30
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; B; B01; B01J; B01J8/00; B01J8/005; B01J8/0055; B01J8/18; B01J8/1818; B01J8/1827; B01J8/1845; B01J8/1854; B01J2208/00; B01J2208/00796; B01J2208/00823; B01J2208/00831; B01J2208/0084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
252 words
AN APPARATUS INCLUDING A REACTOR FOR CONTACTING A HEAVY OIL FEED AND SOLIDS, SAID REACTION VESSEL BEING ADAPTED TO CONTAIN A RELATIVELY DENSE FLUIDIZED SOLIDS MASS THEREIN, SOLIDS SEPERATION MEANS POSITIONED IN THE UPPER PORTION OF SAID VESSEL ABOVE SAID FLUIDIZED SOLIDS MASS, DRAFT TUBE MEANS INTERNALLY POSITIONED WITHIN THE CENTER PORTION OF SAID REACTION VESSEL FOR CIRCULATING SOLIDS WITHIN SAID VESSEL, SAID DRAFT TUBE MEANS EXTENDING UPWARDLY FROM TJE LOWER PORTION OF SAID REACTION VESSEL AND TERMINATING SUBSTANTIALLY BELOW SAID SOLIDS SEPERATION MEANS IN THE UPPER PORTION OF SAID VESSEL, SAID DRAFT TUBE MEANS HAVING UNOBSTRUCTED, OPEN-ENDED BOTTOM AND TOP TERMINAL PORTIONS OF SUBSTANTIALLY EQUAL FREE CROSS SECTION, SAIDF DRAFT TUBE MEANS COMPRISING TWO ALINED TUBULAR SECTIONS WITH THE UPPER SECTION BEING ARRANGED IN THE UPPER PORTION OF SAID VESSEL AND SAID LOWER SECTION BEING ARRANGED IN THE BOTTOM PORTION OF SAID VESSEL AND SPACED FROM SAID UPPER PORTION, THE UPPER END OF SAID LOWER SECTION BEING FLARED OUTWARDLY AND OF A LARGER DIAMETER THAN SAID UPPER SECTION, MEANS FOR INTRODUCING OIL INTO SAID DRAFT TUBE MEANS AT A POINT ABOVE THE LOWER END OF SAID DRAFT TUBE MEANS TO CONTACT AND MIX THE OIL WITH DISPERSED SOLIDS FLOWING UPWARDLY THROUGH SAID DRAFT TUBE MEANS, MEANS FOR INTRODUCING GASIFORM MATERIAL INTO SAID DRAFT TUBE MEANS WHEREBY SOLIDS ARE PASSED UPWARDLY THROUGH SAID DRAFT TUBE MEANS AND DOWNWARDLY AROUND SAID DRAFT TUBE MEANS FOR RECIRCULATION THROUGH SAID VESSEL AND BETWEEN THE SURROUNDING DENSE FLUIDIZED SOLIDS AND THE INTERIOR OF SAID TUBULAR SECTIONS.
Claim 2
Independent Claim
252 words
AN APPARATUS INCLUDING A REACTOR FOR CONTACTING A HEAVY OIL FEED AND SOLIDS, SAID REACTION VESSEL BEING ADAPTED TO CONTAIN A RELATIVELY DENSE FLUIDIZED SOLIDS MASS THEREIN, SOLIDS SEPERATION MEANS POSITIONED IN THE UPPER PORTION OF SAID VESSEL ABOVE SAID FLUIDIZED SOLIDS MASS, DRAFT TUBE MEANS INTERNALLY POSITIONED WITHIN THE CENTER PORTION OF SAID REACTION VESSEL FOR CIRCULATING SOLIDS WITHIN SAID VESSEL, SAID DRAFT TUBE MEANS EXTENDING UPWARDLY FROM TJE LOWER PORTION OF SAID REACTION VESSEL AND TERMINATING SUBSTANTIALLY BELOW SAID SOLIDS SEPERATION MEANS IN THE UPPER PORTION OF SAID VESSEL, SAID DRAFT TUBE MEANS HAVING UNOBSTRUCTED, OPEN-ENDED BOTTOM AND TOP TERMINAL PORTIONS OF SUBSTANTIALLY EQUAL FREE CROSS SECTION, SAIDF DRAFT TUBE MEANS COMPRISING TWO ALINED TUBULAR SECTIONS WITH THE UPPER SECTION BEING ARRANGED IN THE UPPER PORTION OF SAID VESSEL AND SAID LOWER SECTION BEING ARRANGED IN THE BOTTOM PORTION OF SAID VESSEL AND SPACED FROM SAID UPPER PORTION, THE UPPER END OF SAID LOWER SECTION BEING FLARED OUTWARDLY AND OF A LARGER DIAMETER THAN SAID UPPER SECTION, MEANS FOR INTRODUCING OIL INTO SAID DRAFT TUBE MEANS AT A POINT ABOVE THE LOWER END OF SAID DRAFT TUBE MEANS TO CONTACT AND MIX THE OIL WITH DISPERSED SOLIDS FLOWING UPWARDLY THROUGH SAID DRAFT TUBE MEANS, MEANS FOR INTRODUCING GASIFORM MATERIAL INTO SAID DRAFT TUBE MEANS WHEREBY SOLIDS ARE PASSED UPWARDLY THROUGH SAID DRAFT TUBE MEANS AND DOWNWARDLY AROUND SAID DRAFT TUBE MEANS FOR RECIRCULATION THROUGH SAID VESSEL AND BETWEEN THE SURROUNDING DENSE FLUIDIZED SOLIDS AND THE INTERIOR OF SAID TUBULAR SECTIONS.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |