Patent DE721576C successfully refreshed from Google Patents.
US2965564A
Expired / Lapsed
US
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Hydrodesulfurization and hydrogenation with platinum-eta alumina catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-02-01
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Granted: 1960-12-20
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Expires: 1976-02-01
Abstract
No abstract record available.
Inventors
- 👤 Kirshenbaum Isidor
- 👤 Jr Arthur W Langer
- 👤 Arundale Erving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/44; C10G45/46; C10G45/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR UPGRADING PETROLEUM FRACTIONS CONTAINING AROMATIC AND SULFUR COMPOUNDS BOILING IN THE RANGE OF ABOUT 300* TO 650*F., WHICH CONSISTS OF HYDROGENATING SAID FRACTIONS TO OBTAIN SUBSTANTIAL HYDROGENATION OF AROMATICS AND REMOVAL OF SULFUR AT A TEMPERATURE OF ABOUT 500* TO 675*F., AT A PRESSURE OF ABOUT 100 TO 1000 P.S.I.G., IN THE PRESENCE OF ABOUT 5,000 TO 8,000 STANDARD CUBIC FEET OF HYDROGEN PER BARREL OF FEED IN CONTACT WITH A CATALYST COMPRISING PLATINUM SUPPORTED ON ETA ALUMINA.
Claim 2
Dependent Claim
81 words
A PROCESS FOR UPGRADING PETROLEUM FRACTIONS CONTAINING AROMATIC AND SULFUR COMPOUNDS BOILING IN THE RANGE OF ABOUT 300* TO 650*F., WHICH CONSISTS OF HYDROGENATING SAID FRACTIONS TO OBTAIN SUBSTANTIAL HYDROGENATION OF AROMATICS AND REMOVAL OF SULFUR AT A TEMPERATURE OF ABOUT 500* TO 675*F., AT A PRESSURE OF ABOUT 100 TO 1000 P.S.I.G., IN THE PRESENCE OF ABOUT 5,000 TO 8,000 STANDARD CUBIC FEET OF HYDROGEN PER BARREL OF FEED IN CONTACT WITH A CATALYST COMPRISING PLATINUM SUPPORTED ON ETA ALUMINA.
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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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |