US3085002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel compositions
Assignee: Sunoco Inc
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Filing: 1959-03-31
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Granted: 1963-04-09
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 James L Lauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:14
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/1905; C10L1/20; C10L1/201; C10L1/202; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MOTOR FUEL COMPOSITION CONSISTING ESSENTIALLY OF: PETROLEUM HYDROCARBONS BOILING WITHIN THE GASOLINE RANGE; AN ANTI-KNOCK AMOUNT OF A TETRA-ALKYL LEAD ANTI-KNOCK AGENT; AND A SMALLY AMOUNT, SUFFICIENT TO SUPPRESS SURFACE IGNITION, OF A BETA-MONOESTER OF ITACONIC ACID WITH AN UNSATURATED PRIMARY ALIPHATIC HYDROARBON ALCOHOL HAVING ONE OLEFINIC DOUBLE BOUND AND FROM 3 TO ABOUT 10 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
60 words
A MOTOR FUEL COMPOSITION CONSISTING ESSENTIALLY OF: PETROLEUM HYDROCARBONS BOILING WITHIN THE GASOLINE RANGE; AN ANTI-KNOCK AMOUNT OF A TETRA-ALKYL LEAD ANTI-KNOCK AGENT; AND A SMALLY AMOUNT, SUFFICIENT TO SUPPRESS SURFACE IGNITION, OF A BETA-MONOESTER OF ITACONIC ACID WITH AN UNSATURATED PRIMARY ALIPHATIC HYDROARBON ALCOHOL HAVING ONE OLEFINIC DOUBLE BOUND AND FROM 3 TO ABOUT 10 CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |