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US3444074A
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Hydrodenitrogenation process with a catalyst containing silica-zirconia gel,a metal fluoride and a hydrogenation component
Assignee: Mobil Oil AS
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Filing: 1966-05-02
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Granted: 1969-05-13
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Tsoung-Yuan Yan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:20
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; B; B01; B01J; B01J21/00; B01J21/06; B01J21/08; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3105813A
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US3055823A
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US3067127A
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US3223652A
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US3239455A
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US3248318A
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US3262874A
Cited
US3291724A
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US3340183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |