← Back to Patent Explorer
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
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 06:13
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.

References Cited (Backward Citations)

US2563506A Cited
GB356717A Cited
US2550982A Cited
US2582733A Cited
US2706677A Cited
US2632694A Cited
US2819954A Cited
US2905541A Cited
GB791394A Cited
US2863742A Cited
US2843464A Cited
US2862800A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag