US3150074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst demetallization effluent treating
Assignee: Sinclair Research Inc
•
Filing: 1960-11-28
•
Granted: 1964-09-22
•
Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Smith
- 👤 William B Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:12
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/20; Y; Y10; Y10S; Y10S502/00; Y10S502/515; Y10S502/516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A METHOD WHEREIN A HYDROCARBON CRACKING CATALYST IS CONTAMINATED DURING THE CATALYTIC CRACKING OF A HYDROCARBON FEEDSTOCK, HEAVIER THAN GASOLINE AND CONTAINING NICKEL AND VANADIUM, IN A CRACKING ZONE AT AN ELEVATED TEMPERATURE TO PRODUCE GASOLING, AND NICKEL AND VANADIUM ARE DEPOSITED ON THE CATALYST, AND THE GASOLINE FRACTION PRODUCED BY THE CRACKING IS TREATED WITH CAUSTIC,THE CATALYST IS CYCLED BETWEEN THE CRACKING ZONE AND A REGENERATION ZONE TO REMOVE CARBON BY OXIDATION, AND A PORTION OF THE CATALYST IS BLED FROM THE CRACKING SYSTEM AND SUBJECTED TO A TREATMENT INCLUDING CONTACT WITH A CHLORINATING VAPOR TO AID IN
Claim 2
Dependent Claim
100 words
IN A METHOD WHEREIN A HYDROCARBON CRACKING CATALYST IS CONTAMINATED DURING THE CATALYTIC CRACKING OF A HYDROCARBON FEEDSTOCK, HEAVIER THAN GASOLINE AND CONTAINING NICKEL AND VANADIUM, IN A CRACKING ZONE AT AN ELEVATED TEMPERATURE TO PRODUCE GASOLING, AND NICKEL AND VANADIUM ARE DEPOSITED ON THE CATALYST, AND THE GASOLINE FRACTION PRODUCED BY THE CRACKING IS TREATED WITH CAUSTIC,THE CATALYST IS CYCLED BETWEEN THE CRACKING ZONE AND A REGENERATION ZONE TO REMOVE CARBON BY OXIDATION, AND A PORTION OF THE CATALYST IS BLED FROM THE CRACKING SYSTEM AND SUBJECTED TO A TREATMENT INCLUDING CONTACT WITH A CHLORINATING VAPOR TO AID IN
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |