Patent US3030195A successfully refreshed from Google Patents.
US3030195A
Expired / Lapsed
US
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Motor fuels
Assignee: Sunoco Inc
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Filing: 1959-01-20
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Granted: 1962-04-17
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Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Evan B Ewan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:34
CPC Classifications
C; C07; C07F; C07F13/00; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A MOTOR FUEL COMPOSITION FOR SPARK IGNITION INTERNAL COMBUSTION ENGINES CONSISTING ESSENTIALLY OF: PETROLEUM HYDROCARBONS BOILING WITHIN THE GASOLINE RANGE; A SMALL ANTI-KNOCK AMOUNT OF A TETRA-ALKYL LEAD ANTI-KNOCK COM POUND; A SMALL, ANTI-KNOCK AMOUNT OF A CYCLOPENTADINEYL MANAGANESE TRICARBONYL ANTI-KNOCK COMPOUND HAVING THE GENERAL FORMULA AMN(CO)3 WHEREIN A IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF THE UNSUBSTITUTED CYCLOPENTADIENYL RADICAL AND HYDROCARBON-SUBSTITUTED CYCLOPENTADIENYL RADICALS HAVING LESS THAN 13 CARBON ATOMS IN EACH SUBSTITUTED HYDROCARBON GROUP; AND FROM ABOUT 0.5 TO ABOUT 15.0 VOLUME PERCENT OF AND ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, EHANOL, 1-PROPANOL AND 2-PROPANOL.
Claim 2
Dependent Claim
100 words
A MOTOR FUEL COMPOSITION FOR SPARK IGNITION INTERNAL COMBUSTION ENGINES CONSISTING ESSENTIALLY OF: PETROLEUM HYDROCARBONS BOILING WITHIN THE GASOLINE RANGE; A SMALL ANTI-KNOCK AMOUNT OF A TETRA-ALKYL LEAD ANTI-KNOCK COM POUND; A SMALL, ANTI-KNOCK AMOUNT OF A CYCLOPENTADINEYL MANAGANESE TRICARBONYL ANTI-KNOCK COMPOUND HAVING THE GENERAL FORMULA AMN(CO)3 WHEREIN A IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF THE UNSUBSTITUTED CYCLOPENTADIENYL RADICAL AND HYDROCARBON-SUBSTITUTED CYCLOPENTADIENYL RADICALS HAVING LESS THAN 13 CARBON ATOMS IN EACH SUBSTITUTED HYDROCARBON GROUP; AND FROM ABOUT 0.5 TO ABOUT 15.0 VOLUME PERCENT OF AND ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, EHANOL, 1-PROPANOL AND 2-PROPANOL.
References Cited (Backward Citations)
US1757837A
Cited
US1757838A
Cited
US1779061A
Cited
US2087582A
Cited
US2579692A
Cited
US2818417A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |