US3824180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking process
Assignee: Universal Oil Products Co
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Filing: 1973-03-01
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Granted: 1974-07-16
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Expires: 1993-03-01
Abstract
Abstract A PROCESS FOR HYDROCRACKING A HYDROCARBONACEOUS CHARGE STOCK WITH A CATALYTIC COMPOSITE OF AN ALUMINACONTAINING CARRIER MATERIAL, A NICKEL COMPONENT AND A GROUP V-B METALLIC COMPONENT. THE CATALYST IS PREPARED VIA COEXTRUSION WHICH INHIBITS THE FORMATION OF NIKEL ALUMINATE TO THE EXTENT THAT LESS THAN ABOUT 0.1% THEREOF APPEARS IN FINAL CATALYTIC COMPOSITE.
Inventors
- 👤 L Hilfman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:33
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/22; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/847; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |