Patent US2687985A successfully refreshed from Google Patents.
US2687985A
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Removal of vanadium and sodium from petroleum hydrocarbons
Assignee: Anglo Iranian Oil Co Ltd
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Filing: 1953-01-22
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Granted: 1954-08-31
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Expires: 1973-01-22
Abstract
No abstract record available.
Inventors
- 👤 Porter Frederick Willi Bertram
- 👤 Northcott Roy Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:27
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/20; C22B34/22; C10; C10G; C10G69/00; C10G69/02; C10G69/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE REMOVAL OF VANADIUM AND SODIUM FROM PETROLEUM HYDROCARBONS, WHICH COMPRISES PASSING THE HYDROCARBONS OVER BAUXITE AT ELEVATED TEMPERATURE AND PRESSURE AND IN THE ABSENCE OF HYDROCARBON, WHEREBY SUBSTANTIALLY ALL THE SODIUM IS REMOVED FROM THE HYDROCARBONS AND THEN PASSING THE HYDROCARBONS OVER BAUXITE AT ELEVATED TEMPERATURE AND PRESSURE AND IN THE PRESENCE OF HYDROGEN, WHEREBY A CONSIDERABLE PROPORTION OF THE VANDIUM IS REMOVED FROM THE HYDROCABRONS.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE REMOVAL OF VANADIUM AND SODIUM FROM PETROLEUM HYDROCARBONS, WHICH COMPRISES PASSING THE HYDROCARBONS OVER BAUXITE AT ELEVATED TEMPERATURE AND PRESSURE AND IN THE ABSENCE OF HYDROCARBON, WHEREBY SUBSTANTIALLY ALL THE SODIUM IS REMOVED FROM THE HYDROCARBONS AND THEN PASSING THE HYDROCARBONS OVER BAUXITE AT ELEVATED TEMPERATURE AND PRESSURE AND IN THE PRESENCE OF HYDROGEN, WHEREBY A CONSIDERABLE PROPORTION OF THE VANDIUM IS REMOVED FROM THE HYDROCABRONS.
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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |