Patent US2541229A successfully refreshed from Google Patents.
US2541229A
Expired / Lapsed
US
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Catalytic hydrogenolysis of heavy residual oils
Assignee: Phillips Petroleum Co
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Filing: 1948-05-17
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Granted: 1951-02-13
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Expires: 1968-05-17
Abstract
No abstract record available.
Inventors
- 👤 Harold W Fleming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:35
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE HYDROGENOLYSIS OF HEAVY RESIDUAL OILS WHICH COMPRISES PASSING THE HEAVY RESIDUAL OIL DOWNWARD THROUGH A REACTOR IN CONTACT WITH A CATALYST WHICH COMPRISES AN UPPER LAYER OF MOLYBDENUM OXIDE ON ALUMINA AT A TEMPERATURE OF 850-910* F. AND A LOWER LAYER OF MOLYBDENUM OXIDE ON SILICA-ALUMINA, AT A TEMPERATURE OF 825 TO 875* F. AND A HYDROGEN PRESSURE OF 2,000 TO 5,000 P. S. I. G.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE HYDROGENOLYSIS OF HEAVY RESIDUAL OILS WHICH COMPRISES PASSING THE HEAVY RESIDUAL OIL DOWNWARD THROUGH A REACTOR IN CONTACT WITH A CATALYST WHICH COMPRISES AN UPPER LAYER OF MOLYBDENUM OXIDE ON ALUMINA AT A TEMPERATURE OF 850-910* F. AND A LOWER LAYER OF MOLYBDENUM OXIDE ON SILICA-ALUMINA, AT A TEMPERATURE OF 825 TO 875* F. AND A HYDROGEN PRESSURE OF 2,000 TO 5,000 P. S. I. G.
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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) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |