US2701788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coking of hydrocarbons
Assignee: Lummus Technology LLC
•
Filing: 1951-03-10
•
Granted: 1955-02-08
•
Expires: 1971-03-10
Abstract
No abstract record available.
Inventors
- 👤 August H Schutte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:25
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A CONTINUOUS PROCESS FOR CONVERTING HEAVY REDUCED CRUDE TO DRY COKE AND HYDROCARBON VAPORS BY APPLICATION IN A REACTION ZONE OF THE CHANGE IN LIQUID FORM TO A CONTINUOUSLY MOVING COLUMNAR MASS OF GRAVITY PACKED GRANULAR PARTICLES OF HEAT CARRYING MATERIAL WHICH CONTAIN ALL THE NECESSARY HEAT AT A TEMPERATURE ABOVE THE DESIRED REACTION TEMPERATURE TO CARRY OUT THE REACTION, THE IMPROVEMENT WHICH COMPRISES; PASSING THE PARTICLES THROUGH AN UNLET CONDUIT OF LESS CROSS SECTION THAN THE REACTION ZONE AND THROUGH A CONFINED TRANSITION ZONE INTO THE UPPER PART OF THE REACTION ZONE; APPLYING THE LIQUID CHARGE TO THE PARTICLES WHILE THEY ARE PASSING THROUGH THE CONDUIT, SUCH APPLICATION BEING AT SUCH A POINT ABOVE THE OUTLET OF THE CONDUIT TO THE REACTION ZONE THAT THE GRAVITY PACKED PARTICLES OFFER A SUBSTANTIAL PRES-
Claim 2
Dependent Claim
134 words
IN A CONTINUOUS PROCESS FOR CONVERTING HEAVY REDUCED CRUDE TO DRY COKE AND HYDROCARBON VAPORS BY APPLICATION IN A REACTION ZONE OF THE CHANGE IN LIQUID FORM TO A CONTINUOUSLY MOVING COLUMNAR MASS OF GRAVITY PACKED GRANULAR PARTICLES OF HEAT CARRYING MATERIAL WHICH CONTAIN ALL THE NECESSARY HEAT AT A TEMPERATURE ABOVE THE DESIRED REACTION TEMPERATURE TO CARRY OUT THE REACTION, THE IMPROVEMENT WHICH COMPRISES; PASSING THE PARTICLES THROUGH AN UNLET CONDUIT OF LESS CROSS SECTION THAN THE REACTION ZONE AND THROUGH A CONFINED TRANSITION ZONE INTO THE UPPER PART OF THE REACTION ZONE; APPLYING THE LIQUID CHARGE TO THE PARTICLES WHILE THEY ARE PASSING THROUGH THE CONDUIT, SUCH APPLICATION BEING AT SUCH A POINT ABOVE THE OUTLET OF THE CONDUIT TO THE REACTION ZONE THAT THE GRAVITY PACKED PARTICLES OFFER A SUBSTANTIAL PRES-
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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) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |