US2901422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodesulfurization of hydrocarbon oils
Assignee: Shell Development Co
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Filing: 1956-11-16
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Granted: 1959-08-25
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Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Norman E Peery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:17
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR THE HYDRODESULFURIZATION OF A HYDROCARBON OIL WHICH COMPRISES SUSPENDING IN THE OIL TO BE DESULFURIZED A FINELY DIVIDED METAL COMPOUND CAPABLE OF REACTING WITH HYDROGEN SULFIDE UNDER THE SUBSEQUENT HYDROGENATION CONDITIONS, IN AN AMOUNT AT LEAST STOICHIOMETRICALLY EQUIVALENT TO THE SULFUR IN THE OIL, ADDING HYDROGEN AND CONTINOUSLY PASSING THE MIXTURE DOWN THROUGH A FIXED, FORAMINOUS BED OF A SULFACTIVE HYDROGENATION CATALYST UNDER HYDROGENATION CONDITIONS, AND SEPARATING SUSPENDED FINELY DIVIDED SOLID CONTAINING SULFUR FROM THE EFFLUENT OF SAID FORAMINOUS CATALYST BED.
Claim 2
Dependent Claim
84 words
A PROCESS FOR THE HYDRODESULFURIZATION OF A HYDROCARBON OIL WHICH COMPRISES SUSPENDING IN THE OIL TO BE DESULFURIZED A FINELY DIVIDED METAL COMPOUND CAPABLE OF REACTING WITH HYDROGEN SULFIDE UNDER THE SUBSEQUENT HYDROGENATION CONDITIONS, IN AN AMOUNT AT LEAST STOICHIOMETRICALLY EQUIVALENT TO THE SULFUR IN THE OIL, ADDING HYDROGEN AND CONTINOUSLY PASSING THE MIXTURE DOWN THROUGH A FIXED, FORAMINOUS BED OF A SULFACTIVE HYDROGENATION CATALYST UNDER HYDROGENATION CONDITIONS, AND SEPARATING SUSPENDED FINELY DIVIDED SOLID CONTAINING SULFUR FROM THE EFFLUENT OF SAID FORAMINOUS CATALYST BED.
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |