US3702818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking process with zeolite and amorphous base catalysts
Assignee: Mobil Oil AS
•
Filing: 1968-05-23
•
Granted: 1972-11-14
•
Expires: 1988-05-23
Abstract
Abstract THIS INVENTION RELATES TO A PROCESS OR HYDROCRACKING HEAVY PETROLEUM FEEDS TO PRODUCE FUELS. SAID HEAVY FEED IS FIRST PARTIALLY HYDROFINED AND THEN HYDROCRACKED OVER A CRYSTALLINE ALUMINOSILICATE. THE EFFLUENT OF THE HYDROCRACKING STEP IS SEPARATED INTO GASES, GASOLINE, AND HIGHER BOILING MATERIAL AND THE HIGHER BOILING MATERIAL IS HYDROCRACKED OVER AN AMORPHOUS BASE HYDROCRACKING CATALYST AND THE EFFLUENT ALSO SEPARATE INTO VARIOUS PRODUCT FRACTIONS.
Inventors
- 👤 Carl W Streed
- 👤 Tsoung-Yuan Yan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:55
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |