US2843464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-stalling gasoline fuel compositions
Assignee: Gulf Research and Development Co
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Filing: 1956-04-06
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Granted: 1958-07-15
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Expires: 1976-04-06
Abstract
No abstract record available.
Inventors
- 👤 Gardner E Gaston
- 👤 Donald W Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:20
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A GASOLINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE THAT HAS A 50 PERCENT ASTM DISTILLATION POINT NOT GREATER THAN ABOUT 220*F. AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES, AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO REDUCE THE ENGINE STALLING CHARACTERISTICS OF THE GASOLINE COMPOSITION, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF N,N-DIALKYLOL ALKANAMIDES, N,N-DIALKYLOL ALKENAMIDES, AND N,NDIALKYLOL ALKADENAMIDES, WHOSE ACYL GROUPS CONTAIN 8 TO 22 CARBON ATOMS, AND WHOSE ALKYLOL GROUPS CONTAIN 2 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
92 words
A GASOLINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE THAT HAS A 50 PERCENT ASTM DISTILLATION POINT NOT GREATER THAN ABOUT 220*F. AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES, AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO REDUCE THE ENGINE STALLING CHARACTERISTICS OF THE GASOLINE COMPOSITION, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF N,N-DIALKYLOL ALKANAMIDES, N,N-DIALKYLOL ALKENAMIDES, AND N,NDIALKYLOL ALKADENAMIDES, WHOSE ACYL GROUPS CONTAIN 8 TO 22 CARBON ATOMS, AND WHOSE ALKYLOL GROUPS CONTAIN 2 TO 3 CARBON ATOMS.
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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |