US2636047A
Expired / Lapsed
US
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Treatment of hydrocarbon mixtures to adapt them for oxidation
Assignee: Gulf Research and Development Co
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Filing: 1949-10-03
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Granted: 1953-04-21
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Expires: 1969-10-03
Abstract
No abstract record available.
Inventors
- 👤 Riethof George
- 👤 Jr George P Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:10
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/23; C07C51/235; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22; C01; C01G; C01G31/00; C01G31/02; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A PROCESS COMPRISING INTIMATELY CONTACTING A HEAVY HYDROCARBON MIXTURE WITH A PENTAVALENT VANADIUM COMPOUND AT AN ELEVATED TEMPERATURE OF AT LEAST 100* C. UNDER SUBSTANTIALLY NON-OXIDIZING CONDITIONS, SEPARATING THE VANADIUM COMPOUND FROM THE RESULTIN TREATED HYDROCARBON OIL AND OXIDIZING SAID TREATED HYDROCARBON OIL BY PASSING A STREAM OF AN OXYGEN-CONTAINING GAS THROUGH SAID OIL AT AM ELEVATED OXIDATION TEMPERATURE.
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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |