US3116233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-temperature selective hydrogenation of dienes
Assignee: Shell USA Inc
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Filing: 1960-12-30
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Granted: 1963-12-31
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Cornelis T Douwes
- 👤 Gerardus J F Stijntjes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:01
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201; C; C10; C10G; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF DIENECONTAINING GASOLINES WHICH COMPRISES CONTACTING SAID GASOLINE WITH HYDROGEN AT A TEMPERATURE OF ABOUT 70* TO ABOUT 130*C. IN THE PRESENCE OF A CATALYST COMPRISING A WATER-INSOLUBLE ALKALINE EARTH METAL SULFATE ON WHICH IS DEPOSITED A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT.
Claim 2
Dependent Claim
53 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF DIENECONTAINING GASOLINES WHICH COMPRISES CONTACTING SAID GASOLINE WITH HYDROGEN AT A TEMPERATURE OF ABOUT 70* TO ABOUT 130*C. IN THE PRESENCE OF A CATALYST COMPRISING A WATER-INSOLUBLE ALKALINE EARTH METAL SULFATE ON WHICH IS DEPOSITED A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |