Patent US2863824A successfully refreshed from Google Patents.
US2863824A
Expired / Lapsed
US
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Hydrocarbon conversion processes with recovery of fluorine containing gases
Assignee: Individual
•
Filing: 1953-12-14
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Granted: 1958-12-09
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Aristid V Grosse
- 👤 Edward A Nodiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:28
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/28; B01J27/32; C; C10; C10G; C10G11/00; C10G11/02; C10G11/14; C10G11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A HYDROCARBON CONVERSION PROCESS WHEREIN A HYDROCARBON CHARGE STOCK IS CONTACTED UNDER CATALYTIC CONVERSION CONDITIONS WITH A PARTICLE-FORM CRACKING CATALYST CONTAINING FLUORINE IN AMOUNT EFFECTIVE TO PROMOTE THE CONVERSION REACTION AND THE USED CATALYST IS REGENERATED BY CONTACTING IT WITH OXYGEN-CONTAINING GAS TO BURN OFF CARBONACEOUS DEPOSITS, THE METHOD OF REDUCING LOSS OF FLUORINE FROM THE SYSTEM WHICH COMPRISES GRAVITATING THE USED CATALYST AS A BED DOWNWARDLY THROUGH THE REGENERATION ZONE, INTRODUCING THE OXYGEN-CONTAINING GAS INTO A LOWER PART OF SAID REGENERATION ZONE AND FLOWING IT UPWARDLY COUNTERCURRENT TO THE CATALYST BED, WITHDRAWING FROM AN UPPER PART OF THE REGENERATION ZONE COMBUSTION
Claim 2
Dependent Claim
103 words
IN A HYDROCARBON CONVERSION PROCESS WHEREIN A HYDROCARBON CHARGE STOCK IS CONTACTED UNDER CATALYTIC CONVERSION CONDITIONS WITH A PARTICLE-FORM CRACKING CATALYST CONTAINING FLUORINE IN AMOUNT EFFECTIVE TO PROMOTE THE CONVERSION REACTION AND THE USED CATALYST IS REGENERATED BY CONTACTING IT WITH OXYGEN-CONTAINING GAS TO BURN OFF CARBONACEOUS DEPOSITS, THE METHOD OF REDUCING LOSS OF FLUORINE FROM THE SYSTEM WHICH COMPRISES GRAVITATING THE USED CATALYST AS A BED DOWNWARDLY THROUGH THE REGENERATION ZONE, INTRODUCING THE OXYGEN-CONTAINING GAS INTO A LOWER PART OF SAID REGENERATION ZONE AND FLOWING IT UPWARDLY COUNTERCURRENT TO THE CATALYST BED, WITHDRAWING FROM AN UPPER PART OF THE REGENERATION ZONE COMBUSTION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |