US3033665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonstalling gasoline motor fuel
Assignee: Gulf Research and Development Co
•
Filing: 1958-08-01
•
Granted: 1962-05-08
•
Expires: 1978-08-01
Abstract
No abstract record available.
Inventors
- 👤 Gardner E Gaston
- 👤 Donald W Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:26
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C10L1/22; C10L1/222; C10L1/2222; C10L1/24; C10L1/2431; C10L1/2437; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A GASOLINE MOTOR 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 220*F. AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES AND A MINOR AMOUNT, SUFFICIENT TO REDUCE THE ENGINE STALLING CHARACTERISTICS OF SAID COMPOSITION OF A QUATERNARY AMMONIUM SALT WHEREIN TWO OF THE CO-VALENT N-BONDS ARE ATTACHED TO ALIPHATIC HYDROCARBON SUBSTITUENTS CONTAINING 8 TO 22 CARBON ATOMS AND THE REMAINING CO-VALENT NBONDS ARE ATTACHED TO SATURATED ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 4 CARBON ATOMS, AND WHEREIN THE IONIC N-BOND IS ATTACHED TO AN ANIONIC SALT FORMING RADICAL DERIVED FROM A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) OIL-SOLUBLE ORGANIC MONOCARBOXYLIC ACIDS CONTAINING 7 TO 30 CARBON ATOMS PER MOLECULE, (B) OILSOLUBLE MONOHYDRIC PHENOLS HAVING ATTACHED TO THE AROMATIC NUCLEUS ONE TO THREE HYDROCARBON SUBSTITUENTS CONTAINING AT LEAST FOUR CARBON ATOMS, AND HAVING NOT MORE THAN ONE SUBSTITUENT IN THE ORTHO POSITION THAT CONTAINS MORE THAN ONE CARBON ATOM, (C) OIL-SOLUBLE MONO- AND DI-ACID ESTERS OF O-PHOSPHORIC ACID HAVING AS ONE PHOSPHATO SUBSTITUENT AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 8 TO 22 CARBON ATOMS, AND AS ANOTHER A MEMBER SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND ALIPHATIC HYDROCARBON RADICALS CONTAINING 2 TO 22 CARBON ATOMS, AND (D) OIL-SOLUBLE HYDROCARBON SULFONIC ACIDS.
Claim 2
Dependent Claim
223 words
A GASOLINE MOTOR 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 220*F. AND THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES AND A MINOR AMOUNT, SUFFICIENT TO REDUCE THE ENGINE STALLING CHARACTERISTICS OF SAID COMPOSITION OF A QUATERNARY AMMONIUM SALT WHEREIN TWO OF THE CO-VALENT N-BONDS ARE ATTACHED TO ALIPHATIC HYDROCARBON SUBSTITUENTS CONTAINING 8 TO 22 CARBON ATOMS AND THE REMAINING CO-VALENT NBONDS ARE ATTACHED TO SATURATED ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 4 CARBON ATOMS, AND WHEREIN THE IONIC N-BOND IS ATTACHED TO AN ANIONIC SALT FORMING RADICAL DERIVED FROM A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) OIL-SOLUBLE ORGANIC MONOCARBOXYLIC ACIDS CONTAINING 7 TO 30 CARBON ATOMS PER MOLECULE, (B) OILSOLUBLE MONOHYDRIC PHENOLS HAVING ATTACHED TO THE AROMATIC NUCLEUS ONE TO THREE HYDROCARBON SUBSTITUENTS CONTAINING AT LEAST FOUR CARBON ATOMS, AND HAVING NOT MORE THAN ONE SUBSTITUENT IN THE ORTHO POSITION THAT CONTAINS MORE THAN ONE CARBON ATOM, (C) OIL-SOLUBLE MONO- AND DI-ACID ESTERS OF O-PHOSPHORIC ACID HAVING AS ONE PHOSPHATO SUBSTITUENT AN ALIPHATIC HYDROCARBON RADICAL CONTAINING 8 TO 22 CARBON ATOMS, AND AS ANOTHER A MEMBER SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND ALIPHATIC HYDROCARBON RADICALS CONTAINING 2 TO 22 CARBON ATOMS, AND (D) OIL-SOLUBLE HYDROCARBON SULFONIC ACIDS.
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |