US2859169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy oil conversion process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-01-20
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Granted: 1958-11-04
•
Expires: 1975-01-20
Abstract
No abstract record available.
Inventors
- 👤 Herman Charles Bame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:47
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/32; C10G47/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A HEAVY OIL CONVERSION PROCESS WHICH COMPRISES FORMING A MIXTURE OF A HEAVY OIL WITH A DILUENT OIL SUITABLE FOR BEING CONVERTED TO A HYDROGEN DONOR DILUENT AND COMPRISING MAJOR PROPORTIONS OF AROMATIC-NAPHTHENES, HYDROCRACKING THE MIXTURE IN THE PRESENCE OF A HYDROGENATION CATALYST AND IN THE PRESENCE OF HYDROGEN UNDER HYDROCRACKING CONDITIONS TO OBTAIN A 1050*F.- CONVERSION IN THE RANGE OF 30 TO 60%, SEPARATING THE CRACKED MIXTURE TO OBTAIN A FRACTION BOILING ABOVE 400*F. CONTAINING SAID DILUENT OIL NOW PARTIALLY HYDROGENATED, ADMIXING THE FRACTION SO SEPARATED WITH ADDITIONAL AMOUNTS OF SAID HEAVY OIL, THERMALLY TREATING THE RESULTING MIXTURE UNDER HYDROGEN DONOR DILUENT CRACKING CONDITIONS TO OBTAIN A 1050*F.- CONVERSION IN THE RANGE OF 40 TO 90%, AND SEPARATING THE THERMALLY TREATED MIXTURE.
Claim 2
Dependent Claim
123 words
A HEAVY OIL CONVERSION PROCESS WHICH COMPRISES FORMING A MIXTURE OF A HEAVY OIL WITH A DILUENT OIL SUITABLE FOR BEING CONVERTED TO A HYDROGEN DONOR DILUENT AND COMPRISING MAJOR PROPORTIONS OF AROMATIC-NAPHTHENES, HYDROCRACKING THE MIXTURE IN THE PRESENCE OF A HYDROGENATION CATALYST AND IN THE PRESENCE OF HYDROGEN UNDER HYDROCRACKING CONDITIONS TO OBTAIN A 1050*F.- CONVERSION IN THE RANGE OF 30 TO 60%, SEPARATING THE CRACKED MIXTURE TO OBTAIN A FRACTION BOILING ABOVE 400*F. CONTAINING SAID DILUENT OIL NOW PARTIALLY HYDROGENATED, ADMIXING THE FRACTION SO SEPARATED WITH ADDITIONAL AMOUNTS OF SAID HEAVY OIL, THERMALLY TREATING THE RESULTING MIXTURE UNDER HYDROGEN DONOR DILUENT CRACKING CONDITIONS TO OBTAIN A 1050*F.- CONVERSION IN THE RANGE OF 40 TO 90%, AND SEPARATING THE THERMALLY TREATED MIXTURE.
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |