US3234298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation
Assignee: Shell USA Inc
•
Filing: 1961-09-27
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Granted: 1966-02-08
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Langhout Wouter C Van Zijll
- 👤 Peter Van T Spijker
- 👤 Gerardus J F Stijntjes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:29
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/36; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF A DIENECONTAINING HYDROCARBON OIL BOILING WITHIN THE RANGE FROM C3 HYDROCARBONS TO A FINAL BOILING POINT OF NO MORE THAN 375*C. TO CONVERT DIENES TO ALKENES WHICH COMPRISES CONTACTING SAID HYDROCARBON OIL, A HYDROGEN-CONTAINING GAS, AND HYDROGEN SULFIDE WITH A SELECTIVE HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF SULFIFED NICKEL ON ALUMINA AND SULFIDED MOLYBDENUM ON ALUMINA AT A TEMPERATURE IN THE RANGE FROM 70* TO 150*C. AND A PRESSURE IN THE RANGE FROM 10 TO 100KG./SQ. CM. ABS., THE TOTAL AMOUNT OF HYDROGEN SULFIDE PRESENT BEING NOT MORE THAN 0.1 KILOGRAM OF HYDROGEN SULFIDE PER 1000 KILOGRAMS OF TOTAL HYDROCARBONS PRESENT.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF A DIENECONTAINING HYDROCARBON OIL BOILING WITHIN THE RANGE FROM C3 HYDROCARBONS TO A FINAL BOILING POINT OF NO MORE THAN 375*C. TO CONVERT DIENES TO ALKENES WHICH COMPRISES CONTACTING SAID HYDROCARBON OIL, A HYDROGEN-CONTAINING GAS, AND HYDROGEN SULFIDE WITH A SELECTIVE HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF SULFIFED NICKEL ON ALUMINA AND SULFIDED MOLYBDENUM ON ALUMINA AT A TEMPERATURE IN THE RANGE FROM 70* TO 150*C. AND A PRESSURE IN THE RANGE FROM 10 TO 100KG./SQ. CM. ABS., THE TOTAL AMOUNT OF HYDROGEN SULFIDE PRESENT BEING NOT MORE THAN 0.1 KILOGRAM OF HYDROGEN SULFIDE PER 1000 KILOGRAMS OF TOTAL HYDROCARBONS PRESENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |