US3043770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking of polynuclear aromatic containing hydrocarbon oils
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-11-17
•
Granted: 1962-07-10
•
Expires: 1978-11-17
Abstract
No abstract record available.
Inventors
- 👤 Fred H Kant
- 👤 Donald L Baeder
- 👤 John A Hinlicky
- 👤 Chester L Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:06
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A MOTHOD OF CONVERTING A HYDROCARBON OIL FEED BOILING IN THE RANGE OF ABOUT 350* F. RICH IN POLYNUCLEAR AROMATICS SELECTED FROM THE GROUP CONSISTING OF HEAVY HYDROFORMATE, HEAVY CATALYTICALLY CRACKED PRODUCTS, HEAVY CYCLE STOCKS FROM THERMAL AND CATALYTIC CRACKING AND AROMATIC EXTRACTS OF THESE FEEDS, WHICH COMPRISES HYDROCRACKING SAID FEED AT A TEMPERATURE BETWEEN ABOUT 875* AND 1050* F. UNDER A PRESSURE BETWEEN ABOUT 200 AND 1000 P.S.I.G. IN THE PRESENCE OF PLATINUM ON ETA ALUMINA PRODUCED FROM ALUMINUM ALCOHOLATE AS CATALYST AND A FEED RATE OF SAID OIL FEED BETWEEN ABOUT 0.5 AND 3 W.HR./W. IN THE PRESENCE OF BETWEEN ABOUT 1000 AND 5000 S.C.F OF HYDROGEN PER BARREL OF SAID FEED THEREBY CONVERTING SAID FEEDS TO HIGH OCTANE NUMBER GASOLINES IN HIGH YIELDS.
Claim 2
Dependent Claim
126 words
A MOTHOD OF CONVERTING A HYDROCARBON OIL FEED BOILING IN THE RANGE OF ABOUT 350* F. RICH IN POLYNUCLEAR AROMATICS SELECTED FROM THE GROUP CONSISTING OF HEAVY HYDROFORMATE, HEAVY CATALYTICALLY CRACKED PRODUCTS, HEAVY CYCLE STOCKS FROM THERMAL AND CATALYTIC CRACKING AND AROMATIC EXTRACTS OF THESE FEEDS, WHICH COMPRISES HYDROCRACKING SAID FEED AT A TEMPERATURE BETWEEN ABOUT 875* AND 1050* F. UNDER A PRESSURE BETWEEN ABOUT 200 AND 1000 P.S.I.G. IN THE PRESENCE OF PLATINUM ON ETA ALUMINA PRODUCED FROM ALUMINUM ALCOHOLATE AS CATALYST AND A FEED RATE OF SAID OIL FEED BETWEEN ABOUT 0.5 AND 3 W.HR./W. IN THE PRESENCE OF BETWEEN ABOUT 1000 AND 5000 S.C.F OF HYDROGEN PER BARREL OF SAID FEED THEREBY CONVERTING SAID FEEDS TO HIGH OCTANE NUMBER GASOLINES IN HIGH YIELDS.
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |