US2793170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of cracked gasolines
Assignee: Union Oil Company of California
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Filing: 1954-10-22
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Granted: 1957-05-21
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Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Vernon E Stiles
- 👤 Texas V Inwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:25
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; C; C10; C10G; C10G45/00; C10G45/02; B01D2253/00; B01D2253/10; B01D2253/104; B01D2253/106; B01D2253/25; B01D2256/00; B01D2256/24; B01D2257/00; B01D2257/30; B01D2257/304; B01D2257/306; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40088; B01D2259/4009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR THE CATALYTIC HYDRODESULFURIZATION OF A CRAKED GASOLINE WITHOUT SUBSTANTIAL HYDROGENATION OF THE OLEFINS CONTAINED THEREIN, WHICH COMPRISES CONTACTING A STREAM OF SAID GASOLINE WITH A HYDRODESULFURIZATION CATALYST IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 650* AND 780*F., A LIQUID HOURLY SPACE VELOCITY BETWEEN ABOUT 5 AND 20, AND A PRESSURE BETWEEN ABOUT 0 AND 300 P.S.I.G., SAID CATALYST CONSISTING ESSEN-
Claim 2
Dependent Claim
66 words
A PROCESS FOR THE CATALYTIC HYDRODESULFURIZATION OF A CRAKED GASOLINE WITHOUT SUBSTANTIAL HYDROGENATION OF THE OLEFINS CONTAINED THEREIN, WHICH COMPRISES CONTACTING A STREAM OF SAID GASOLINE WITH A HYDRODESULFURIZATION CATALYST IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 650* AND 780*F., A LIQUID HOURLY SPACE VELOCITY BETWEEN ABOUT 5 AND 20, AND A PRESSURE BETWEEN ABOUT 0 AND 300 P.S.I.G., SAID CATALYST CONSISTING ESSEN-
References Cited (Backward Citations)
US2406200A
Cited
US2414951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |