Patent US3758401A successfully refreshed from Google Patents.
US3758401A
Expired / Lapsed
US
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Production of motor fuels
Assignee: Phillips Petroleum Co
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Filing: 1971-05-21
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Granted: 1973-09-11
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Expires: 1991-05-21
Abstract
Abstract COMPOSITE MOTOR FUELS OR GASOLINE, SUITABLE FOR USE AS A LEAD-FREE OR LOW-LEAD-CONTENT FUEL, ARE PROVIDED BY VARIOUS COMBINATIONS OF STEPS COMPRISING, IN DIFFERENT EMBODIMENTS, VARIOUS NOVEL COMBINATIONS OF STEPS COMPRISING CATALYTIC CRACKING, CATALYTIC REFORMING, AND SOLVENT EXTRACTION. IN SOME EMBODIMENTS, THE COMBINATION(S) INCLUDE ONE OR MORE ADDITIONAL STEPS SUCH AS HYDROCRACKING, ALKYLATION, AND DISPROPORTIONATION.
Inventors
- 👤 R Bridgeford
- 👤 V Cawi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:58
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G61/06; C10G63/00; C10L; C10L1/00; C10L1/04; C10L1/06
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |