US2824046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-05-20
•
Granted: 1958-02-18
•
Expires: 1973-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; C10G; C10G9/00; C10G9/28; C10G9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR COKING HEAVY HYDROCARBON OILS CONTAINING EXTREMELY HIGH BOILING CONSTITUENTS WHICH COMPRISED MAINTAINING A DENSE FLUIDIZED HIGHLY TURBULENT BED OF FINELY DIVIDED SUBSTANTIALLY CATALYTICALLY INERT SOLIDS IN A CRACKING ZONE AT CRACKING TEMPERATURE, INTRODUCING SPRAYS OF PREHEATED HYDROCARBON OIL FEED INTO A MIXING ZONE IN THE CRACKING ZONE ABOVE THE LEVEL OF SAID DENSE FLUIDIZED BED, SAID MIXING ZONE COMPRISING A SUSPENSION OF HOT SOLIDS LESS DENSE THAN SAID DENSE BED BUT MORE DENSE THAN A DILUTE PHASE, WITHDRAWING SOME HOT SOLIDS FROM SAID DENSE BED AND PASSING THE HOT SOLIDS AS A DISCRETE STREAM TO SAID MIXING ZONE, DISTRIBUTING SAID DISCRETE STREAM OF SOLIDS IN SAID MIXING ZONE TO INCREASE THE DENSITY OF THE MIXTURE THEREIN AND TO OBTAIN BETTER DISTRIBUTION OF THE OIL FEED ON THE SOLIDS, REMOVING COKE-
Claim 2
Dependent Claim
133 words
A PROCESS FOR COKING HEAVY HYDROCARBON OILS CONTAINING EXTREMELY HIGH BOILING CONSTITUENTS WHICH COMPRISED MAINTAINING A DENSE FLUIDIZED HIGHLY TURBULENT BED OF FINELY DIVIDED SUBSTANTIALLY CATALYTICALLY INERT SOLIDS IN A CRACKING ZONE AT CRACKING TEMPERATURE, INTRODUCING SPRAYS OF PREHEATED HYDROCARBON OIL FEED INTO A MIXING ZONE IN THE CRACKING ZONE ABOVE THE LEVEL OF SAID DENSE FLUIDIZED BED, SAID MIXING ZONE COMPRISING A SUSPENSION OF HOT SOLIDS LESS DENSE THAN SAID DENSE BED BUT MORE DENSE THAN A DILUTE PHASE, WITHDRAWING SOME HOT SOLIDS FROM SAID DENSE BED AND PASSING THE HOT SOLIDS AS A DISCRETE STREAM TO SAID MIXING ZONE, DISTRIBUTING SAID DISCRETE STREAM OF SOLIDS IN SAID MIXING ZONE TO INCREASE THE DENSITY OF THE MIXTURE THEREIN AND TO OBTAIN BETTER DISTRIBUTION OF THE OIL FEED ON THE SOLIDS, REMOVING COKE-
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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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |