US3553106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic removal of vanadium and nickel from oils
Assignee: Gulf Research and Development Co
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Filing: 1968-06-28
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Granted: 1971-01-05
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Expires: 1988-06-28
Abstract
Abstract VANANDIUM AND NICKEL ARE REMOVED FROM PETROLEUM OILS BY CONTACT WITH A PREFORMED VANADIUM OXIDE CATALYST ON ACTIVATED ALUMINA IN THE PRESENCE. THE CATALYST IS PREPARED BY CONTACTING ACTIVATED ALUMINA WTIH A NON-OILY MEDIUM CONTAINING A SOLUBLE VANADIUM COMPOUND.
Inventors
- 👤 Harry A Hamilton
- 👤 Howard G Mcilvried
- 👤 Raynor T Sebulsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/16; B01J23/20; B01J23/22; C; C10; C10G; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |