US2768935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the conversion of hydrocarbonaceous substances in a molten medium
Assignee: Universal Oil Products Co
•
Filing: 1952-06-11
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Granted: 1956-10-30
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Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Charles H Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CONVERSION PROCESS COMPRISES MAINTAINING A CONTINUOUS, VERTICALLY ELONGATED BODY OF MOLTEN CATALYST IN A REACTION ZONE, INTRODUCING A HYDROCARBONACEOUS MATERIAL INTO THE LOWER PORTION OF SAID BODY AND FORMING A SUSPENSION THEREOF WITH MOLTEN CATALYST, PASSING SAID SUSPENSION UPWARDLY THROUGH THE REACTION ZONE AND THEN INTO A SEPARATING ZONE, SEPARATING IN THE LAST-NAMED ZONE A GASEOUS PHASE, A LIQUID HYDROCARBON PHASE AND A MOLTEN CATALYST PHASE, AND PASSING MOLTEN CATALYST DOWNWARDLY BY GRAVITY FROM THE SEPARATING ZONE TO THE LOWER PORTION OF THE REACTION ZONE IN A CONFINED PATH EXTENDING VERTICALLY THROUGH SAID BODY OF MOLTEN CATALYST.
Claim 2
Dependent Claim
98 words
A CONVERSION PROCESS COMPRISES MAINTAINING A CONTINUOUS, VERTICALLY ELONGATED BODY OF MOLTEN CATALYST IN A REACTION ZONE, INTRODUCING A HYDROCARBONACEOUS MATERIAL INTO THE LOWER PORTION OF SAID BODY AND FORMING A SUSPENSION THEREOF WITH MOLTEN CATALYST, PASSING SAID SUSPENSION UPWARDLY THROUGH THE REACTION ZONE AND THEN INTO A SEPARATING ZONE, SEPARATING IN THE LAST-NAMED ZONE A GASEOUS PHASE, A LIQUID HYDROCARBON PHASE AND A MOLTEN CATALYST PHASE, AND PASSING MOLTEN CATALYST DOWNWARDLY BY GRAVITY FROM THE SEPARATING ZONE TO THE LOWER PORTION OF THE REACTION ZONE IN A CONFINED PATH EXTENDING VERTICALLY THROUGH SAID BODY OF MOLTEN CATALYST.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |