US2980604A
Expired / Lapsed
US
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Hydrocracking catalyst and process for hydrocracking shale oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-12-17
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Granted: 1961-04-18
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Expires: 1978-12-17
Abstract
No abstract record available.
Inventors
- 👤 Adams Clark Edward
- 👤 Jr Charles Newton Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:12
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/883
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A PROCESS OF HYDROCRACKING A SHALE OIL BOILING IN THE RANGE OF ABOUT 350*F. TO ABOUT 800*F. WHICH COMPRISES CONTACTING SAID SHALE OIL AS FEED STOCK MIXED WITH HYDROGEN WITH A CATALYST CONTAINING 5-20 WT. PERCENT OF COBALT MOLYBDATE ON AN ALUMINA-BORIA SUPPORT CONTAINING 80-95 WT. PERCENT OF ALUMINA AND 5-20 WT. PERCENT BORON OXIDE AT A TEMPERATURE IN THE RANGE OF ABOUT 900* F. TO 1000*F., UNDER A PRESSURE OF 100 TO 1000 P.S.I.G., SAID HYDROGEN BEING MIXED WITH THE FEED STOCK AT A RATE OF 1000 TO 10,000 CU FT. PER BARREL OF SAID FEED STOCK FOR A PERIOD SUFFICIENT TO CONVERT A MAJOR PROPORTION OF SAID FEED STOCK TO PRODUCTS BOILING BELOW 400*F.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |