Patent US3565793A successfully refreshed from Google Patents.
US3565793A
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Desulfurization with a catalytic oxidation step
Assignee: Texaco Inc
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Filing: 1968-12-27
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Granted: 1971-02-23
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Expires: 1988-12-27
Abstract
Abstract A DESULFURIZATION PROCESS FOR THE REMOVAL OF SULFUR IN A SULFUR CONTAINING HYDROCARBON OIL BY CONTACTING THE SULFUR CONTAINING HYDROCARBON OIL WITH AN ORGANIC HYDROPEROXIDE, AN ORGANIC PEROXIDE OR AN ORGANIC PERACID OXIDANT IN THE PRESENCE OF A GROUP IV-B, GROUP V-B OR FOR EXAMPLE BASE TREATMENT, A THERMAL TREATMENT OR A HYDRODESULFURIZATION TREATMENT.
Inventors
- 👤 Sheldon Herbstman
- 👤 Frank E Guptill Jr
- 👤 Raymond F Wilson
- 👤 Reese A Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:27
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/12; C10G53/00; C10G53/02; C10G53/14
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |