US2846358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of metal contaminants from heavy oils by hydrogenation followed by solvent extraction
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-03-06
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Granted: 1958-08-05
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Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Bieber Herman
- 👤 Harry M Hartzband
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:18
CPC Classifications
C; C10; C10G; C10G67/00; C10G67/02; C10G67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR IMPROVING THE QUALITY OF HEAVY OILS CONTAINING CONSTITUENTS NON-VAPORIZABLE AT ATMOSPHERIC PRESSURE WHICH COMPRISES MILDLY CATALYTICALLY HYDROGENATING SAID OIL IN THE PRESENCE OF HYDROGEN AND A SULFUR RESISTANT CATALYST AT A PRESSURE IN THE RANGE OF 200 TO 2000 P. S. I., A TEMPERATURE IN THE RANGE OF 600* TO 950*F., A SPACE VELOCITY OF 0.25 TO 4.0 V./V./HR. AND A HYDROGEN PARTIAL PRESSURE OF 100 TO 2000 P. S. I. TO CONVERT NON-
Claim 2
Dependent Claim
77 words
A PROCESS FOR IMPROVING THE QUALITY OF HEAVY OILS CONTAINING CONSTITUENTS NON-VAPORIZABLE AT ATMOSPHERIC PRESSURE WHICH COMPRISES MILDLY CATALYTICALLY HYDROGENATING SAID OIL IN THE PRESENCE OF HYDROGEN AND A SULFUR RESISTANT CATALYST AT A PRESSURE IN THE RANGE OF 200 TO 2000 P. S. I., A TEMPERATURE IN THE RANGE OF 600* TO 950*F., A SPACE VELOCITY OF 0.25 TO 4.0 V./V./HR. AND A HYDROGEN PARTIAL PRESSURE OF 100 TO 2000 P. S. I. TO CONVERT NON-
References Cited (Backward Citations)
US1932369A
Cited
US2393288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |