Patent US3794318A successfully refreshed from Google Patents.
Patent US2862800A successfully refreshed from Google Patents.
US2862800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline fuels
Assignee: Gulf Oil Corp
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Filing: 1956-11-06
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Granted: 1958-12-02
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Expires: 1976-11-06
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantreil
- 👤 Earl E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10L1/18; C10L1/188; C10L1/1881; C10L1/20; C10L1/205; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A GASOLINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON MIXTURE THAT BOILS IN THE GASOLINE RANGE, THAT HAS A 50 PERCENT ASTM DISTILLATION POINT OF NOT MORE THAN ABOUT 220*F., AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES, AND A SMALL AMOUNT, SUFFICIENT TO REDUCE THE STALLING TENDENCIES OF THE COMPOSITION, OF A MIXTURE OF A FATTY ACID CONTAINING 12 TO 24 CARBON ATOMS AND A SALT OF A FATTY ACID OF THE CLASS INDICATED AND A LOW MOLECULAR WEIGHT AMINE SELECTED FROM THE GROUP CONSISTING OF DIALKYLOL AND TRIALKYLOL AMINES WHOSE ALKYLOL GROUPS CONTAIN 2 TO 4 CARBON ATOMS EACH, THE FATTY ACID: AMINE SALT WEIGHT RATIO BEING IN THE RANGE OF ABOUT 0.25:1 TO 4:1, SAID SMALL AMOUNT BEING ABOUT 0.002 TO ABOUT 0.25 PERCENT BY WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
137 words
A GASOLINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON MIXTURE THAT BOILS IN THE GASOLINE RANGE, THAT HAS A 50 PERCENT ASTM DISTILLATION POINT OF NOT MORE THAN ABOUT 220*F., AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES, AND A SMALL AMOUNT, SUFFICIENT TO REDUCE THE STALLING TENDENCIES OF THE COMPOSITION, OF A MIXTURE OF A FATTY ACID CONTAINING 12 TO 24 CARBON ATOMS AND A SALT OF A FATTY ACID OF THE CLASS INDICATED AND A LOW MOLECULAR WEIGHT AMINE SELECTED FROM THE GROUP CONSISTING OF DIALKYLOL AND TRIALKYLOL AMINES WHOSE ALKYLOL GROUPS CONTAIN 2 TO 4 CARBON ATOMS EACH, THE FATTY ACID: AMINE SALT WEIGHT RATIO BEING IN THE RANGE OF ABOUT 0.25:1 TO 4:1, SAID SMALL AMOUNT BEING ABOUT 0.002 TO ABOUT 0.25 PERCENT BY WEIGHT OF THE COMPOSITION.
References Cited (Backward Citations)
US2125448A
Cited
US2550982A
Cited
US2667408A
Cited
US2600113A
Cited
US2706677A
Cited
US2668522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |