US2506545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method fob regenerating spent
Assignee: —
•
Filing: —
•
Granted: 1950-05-02
•
Expires: 1967-05-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:11
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/30; B01J20/34; B01J20/3483; B01J20/02; B01J20/06; B01J20/08; B01J20/10; B01J20/12; B01J20/3433; B01J20/345; B01J20/3458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF REGENERATING SPENT PARTICLES OF PETROLEUM PERCOLATION CLAY WHICH ARE AT SUBSTANTIALLY ATMOSPHERIC TEMPERATURE AND WHICH BEAR CONTAMINANT DEPOSITS AND BY BURNING OFF THE DEPOSITS THEREON WITH AIR WHICH METHOD COMPRISES: PASSING SAID SPENT CLAY THROUGH A CONFIND REGENERATION ZONE, PASSING AIR INTO CONTRACT WITH SAID CLAY WITHIN SAID ZONE TO BURN SAID DEPOSITS, CONTROLLING THE TEMPERATURE OF SAID CLAY WITHIN SAID ZONE BY COOLING BELOW A TEMPERATURE WHICH WOULD CAUSE HEAT DAMAGE TO SAID CLAY BUT ABOVE CONTAMINANT COMBUSTION TEMPERATURE AND MIXING WITH SAID SPENT CLAY BEFORE ITS PASSAGE THROUGH SAID ZONE AT LEAST PARTIALLY REGENERATED CLAY WHICH IS AT A TEMPERATURE SUBSTANTIALLY ABOVE THE LOWEST TEMPERATURE PRACTICABLE FOR INITIATION OF COMBUSTION OF SAID DEPOSITS AND AT A SUFFICIENT RATE TO HEAT SAID SPENT CLAY FROM ABOUT ATMOSPHERIC TEMPERATURE AT LEAST TO A TEMPERATURE WHICH IS PRACTICABLE FOR INITIATION OF THE COMBUSTION OF SAID DEPOSITS.
Claim 2
Independent Claim
148 words
THE METHOD OF REGENERATING SPENT PARTICLES OF PETROLEUM PERCOLATION CLAY WHICH ARE AT SUBSTANTIALLY ATMOSPHERIC TEMPERATURE AND WHICH BEAR CONTAMINANT DEPOSITS AND BY BURNING OFF THE DEPOSITS THEREON WITH AIR WHICH METHOD COMPRISES: PASSING SAID SPENT CLAY THROUGH A CONFIND REGENERATION ZONE, PASSING AIR INTO CONTRACT WITH SAID CLAY WITHIN SAID ZONE TO BURN SAID DEPOSITS, CONTROLLING THE TEMPERATURE OF SAID CLAY WITHIN SAID ZONE BY COOLING BELOW A TEMPERATURE WHICH WOULD CAUSE HEAT DAMAGE TO SAID CLAY BUT ABOVE CONTAMINANT COMBUSTION TEMPERATURE AND MIXING WITH SAID SPENT CLAY BEFORE ITS PASSAGE THROUGH SAID ZONE AT LEAST PARTIALLY REGENERATED CLAY WHICH IS AT A TEMPERATURE SUBSTANTIALLY ABOVE THE LOWEST TEMPERATURE PRACTICABLE FOR INITIATION OF COMBUSTION OF SAID DEPOSITS AND AT A SUFFICIENT RATE TO HEAT SAID SPENT CLAY FROM ABOUT ATMOSPHERIC TEMPERATURE AT LEAST TO A TEMPERATURE WHICH IS PRACTICABLE FOR INITIATION OF THE COMBUSTION OF SAID DEPOSITS.
References Cited (Backward Citations)
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Cited
US2387936A
Cited
US2226535A
Cited
US2409234A
Cited
US2417275A
Cited
US2344449A
Cited
US2409596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |