US2863746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aviation grade gasolines containing n-alkyl amine salts of dialkyl acid orthophosphates
Assignee: Gulf Oil Corp
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Filing: 1955-05-09
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Granted: 1958-12-09
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantrell
- 👤 Paul K Kuhne
- 👤 John G Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2658; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN AVIATION GRADE GASOLINE COMPRISING A MAJOR AMOUNT OF HYDROCARBON MIXTURE BOILING IN THE AVIATION GASOLINE RANGE AND HAVING AN AVIATION LEAN MIXTURE ANTIKNOCK RATING OF AT LEAST 100 AND AN AVIATION RICH MIXTURE ANTI-KNOCK RATING OF AT LEAST 130, AND CONTAINING ABOUT 3 TO 20 LBS./1000 BBLS. OF GASOLINE OF A SUBSTANTIALLY NEUTRAL ADDITION SALT OF (A) MIXED PRIMARY, N-ALKYL AMINES CONTAINING 8 TO 18 CARBON ATOMS PER MOLECULE, THE AMINE PRESENT IN THE LARGEST PROPORTION CONTAINING 12 CARBON ATOMS, AND (B) A DIALKYL ACID ORTHOPHOSPHATE WHOSE ALKYL GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF BRANCHED CHAIN OCTYL AND AMYL RADICALS, THE AMOUNT OF SAID SALT BEING SUFFICIENT TO IMPART RUST INHIBITING PROPERTIES TO THE GASOLINE DURING STORAGE, SAID GASOLINE BEING SUBSTANTIALLY FREE FROM ANY TENDENCY TO DEPOSIT SOLIDS IN AVIATION ENGINE INTAKE SYSTEMS.
Claim 2
Dependent Claim
136 words
AN AVIATION GRADE GASOLINE COMPRISING A MAJOR AMOUNT OF HYDROCARBON MIXTURE BOILING IN THE AVIATION GASOLINE RANGE AND HAVING AN AVIATION LEAN MIXTURE ANTIKNOCK RATING OF AT LEAST 100 AND AN AVIATION RICH MIXTURE ANTI-KNOCK RATING OF AT LEAST 130, AND CONTAINING ABOUT 3 TO 20 LBS./1000 BBLS. OF GASOLINE OF A SUBSTANTIALLY NEUTRAL ADDITION SALT OF (A) MIXED PRIMARY, N-ALKYL AMINES CONTAINING 8 TO 18 CARBON ATOMS PER MOLECULE, THE AMINE PRESENT IN THE LARGEST PROPORTION CONTAINING 12 CARBON ATOMS, AND (B) A DIALKYL ACID ORTHOPHOSPHATE WHOSE ALKYL GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF BRANCHED CHAIN OCTYL AND AMYL RADICALS, THE AMOUNT OF SAID SALT BEING SUFFICIENT TO IMPART RUST INHIBITING PROPERTIES TO THE GASOLINE DURING STORAGE, SAID GASOLINE BEING SUBSTANTIALLY FREE FROM ANY TENDENCY TO DEPOSIT SOLIDS IN AVIATION ENGINE INTAKE SYSTEMS.
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |