US3682811A
Expired / Lapsed
US
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Hydroconversion process
Assignee: Chevron USA Inc
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Filing: 1970-04-29
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Granted: 1972-08-08
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Expires: 1990-04-29
Abstract
Abstract A HYDROCONVERSION PROCESS WHICH COMPRISES CONTACTING A HYDROCARBON FEED IN THE PRESENCE OF HYDROCARBON WITH A CATALYST COMPRISING A MIXTURE OF (1) A LAYERED CRYSTALLINE CLAY-TYPE ALLUMINOSILICATE AND (2) AN AMORPHOUS POROUS INORGANIC OXIDE IN ASSOCIATION WITH NICKEL AND TIN IN AN AMOUNT OF FROM 2 TO 50 COMBINED WEIGHT PERCENT METALS WITH A NICKEL TO TIN WEIGHT RATIO OF FROM 0.25 TO 20.
Inventors
- 👤 Bernard F Mulaskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:44
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/835; B01J21/00; B01J21/16; B01J29/00; B01J29/04; B01J29/049; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/36; B01J2229/00; B01J2229/30; B01J2229/42
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |