US2798030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for injecting a fluid into a fluidized bed of a particulate material
Assignee: Phillips Petroleum Co
•
Filing: 1953-03-02
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Granted: 1957-07-02
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Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 George R Hettick
- 👤 Charley H Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:06
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818; B01J8/1827; Y; Y10; Y10T; Y10T137/00; Y10T137/9464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN THE CONVERSION OF HYDROCARBON IN THE PRESENCE OF A FLUIDIZED BED OF CATALYST IN WWHICH CONVERSION CONVERTED HYDROCARBON IS REMOVED FROM THE PROCESS AT AOPOINT ABOVE SAID FLUIDIZED BED AND IN WHICH PROCESS STRIPPING FLUID EMPLOYED TO STRIP HYDROCARBON FROM THE FLUID-OR IZED CATALYST BEFORE IT IS REMOVED FROM THE CONVERSION ZONE IS ALSO REMOVED FROM THE PROCESS AT A POINT ABOVET INTO SAID FLUIDIZED BED OF CATALYST AND WHEREIN SAID STRIPPING FLUID IS INJECTED DIRECTLY INTO A LOWER PORTION OF SAID FLUIDIZED BED OF CATALYST, THE IMPROVEMENT WHICH COMPRISES INJECTING SAID STRIPPING FLUID DOWNWARDLY INTO SAID LOWER
Claim 2
Dependent Claim
99 words
IN THE CONVERSION OF HYDROCARBON IN THE PRESENCE OF A FLUIDIZED BED OF CATALYST IN WWHICH CONVERSION CONVERTED HYDROCARBON IS REMOVED FROM THE PROCESS AT AOPOINT ABOVE SAID FLUIDIZED BED AND IN WHICH PROCESS STRIPPING FLUID EMPLOYED TO STRIP HYDROCARBON FROM THE FLUID-OR IZED CATALYST BEFORE IT IS REMOVED FROM THE CONVERSION ZONE IS ALSO REMOVED FROM THE PROCESS AT A POINT ABOVET INTO SAID FLUIDIZED BED OF CATALYST AND WHEREIN SAID STRIPPING FLUID IS INJECTED DIRECTLY INTO A LOWER PORTION OF SAID FLUIDIZED BED OF CATALYST, THE IMPROVEMENT WHICH COMPRISES INJECTING SAID STRIPPING FLUID DOWNWARDLY INTO SAID LOWER
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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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |