Patent US3598721A successfully refreshed from Google Patents.
US3598721A
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Gasoline producing process
Assignee: Universal Oil Products Co
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Filing: 1969-06-02
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Granted: 1971-08-10
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Expires: 1989-06-02
Abstract
Abstract HIGH OCTANE GASOLINE BLENDING COMPONENTS ARE PRODUCED FROM CATALYTICALLY-CRACKED CYCLE OILS. A SUBSTANTIALLY SULFUR- AND NITROGEN-FREE CYCLE OIL IS INITIALLY HYDROGENATED IN CONTACT WITH A NON-ACIDIC CATALYTIC COMPOSITE, AND THE HYDROGENATED PRODUCT EFFLUENT IS SUBJECTED TO NONCATALYTIC, HYDROGENATIVE THERMAL CRACKING.
Inventors
- 👤 Vladimir Haensel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:01
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |