Patent US3108947A successfully refreshed from Google Patents.
US3108947A
Expired / Lapsed
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Process for the selective hydrogenation of diene-containing gasoline
Assignee: Shell USA Inc
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Filing: 1960-11-07
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Granted: 1963-10-29
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Gerardus J F Stijntjes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:10
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF STEAMCRACKED GAS GASOLINE WHICH COMPRISES CONTACTING SAID GASOLINE WITH A GAS CONTAINING HYDROGEAN AND NO OXYGEN IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF CHROMIUM OXIDE AND COPPER OXIDE, THE ATOM RATIO OF COPPER TO CHROMIUM BEING FROM ABOUT 1:5 TO ABOUT 3:1, AT A TEMPERATURE OF ABOUT 70* TO ABOUT 130*C., A GAS TO GASOLINE RATIO OF 50 TO 300 LITERS OF GAS PER KILOGRAM OF GASOLINE, AND A SPACE VELOCITY OF ABOUT 0.5 TO ABOUT 5 KILOGRAMS OF GASOLINE PER HOUR PER LITER OF CATALYST, ALKADIENES IN SAID GASOLINE BEING HYDROGENATED THEREBY TO ALKENES WITHOUT HYDROGENATION OF ALKENES TO ALKANES.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF STEAMCRACKED GAS GASOLINE WHICH COMPRISES CONTACTING SAID GASOLINE WITH A GAS CONTAINING HYDROGEAN AND NO OXYGEN IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF CHROMIUM OXIDE AND COPPER OXIDE, THE ATOM RATIO OF COPPER TO CHROMIUM BEING FROM ABOUT 1:5 TO ABOUT 3:1, AT A TEMPERATURE OF ABOUT 70* TO ABOUT 130*C., A GAS TO GASOLINE RATIO OF 50 TO 300 LITERS OF GAS PER KILOGRAM OF GASOLINE, AND A SPACE VELOCITY OF ABOUT 0.5 TO ABOUT 5 KILOGRAMS OF GASOLINE PER HOUR PER LITER OF CATALYST, ALKADIENES IN SAID GASOLINE BEING HYDROGENATED THEREBY TO ALKENES WITHOUT HYDROGENATION OF ALKENES TO ALKANES.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |