US2851343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline fuel compositions
Assignee: Gulf Oil Corp
•
Filing: 1955-01-17
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Granted: 1958-09-09
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantrell
- 👤 John G Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:13
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10L1/26; C10L1/2633; C10L1/2641
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
75 words
A GASOLINE COMPOSITION COMPRISING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE, HAVING A 50 PERCENT ASTM DISTILLATION POINT OF LESS THAN 220*F,. AND HAVING INCORPORATED THEREIN IN A RATIO OF ABOUT 3 TO 30 POUNDS PER THOUSAND BARRELS OF SAID GASOLINE COMPOSITION A DIALKYL ACID O-PHOSPHATE, WHERE ONE OF THE ALKYL GROUPS CONTAINS AT LEAST 6 CARBON ATOMS, AND THE TOTAL NUMBER OF CARBON ATOMS IN BOTH ALKYL GROUPS IS NOT GREATER THAN 20.
Claim 2
Dependent Claim
75 words
A GASOLINE COMPOSITION COMPRISING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE, HAVING A 50 PERCENT ASTM DISTILLATION POINT OF LESS THAN 220*F,. AND HAVING INCORPORATED THEREIN IN A RATIO OF ABOUT 3 TO 30 POUNDS PER THOUSAND BARRELS OF SAID GASOLINE COMPOSITION A DIALKYL ACID O-PHOSPHATE, WHERE ONE OF THE ALKYL GROUPS CONTAINS AT LEAST 6 CARBON ATOMS, AND THE TOTAL NUMBER OF CARBON ATOMS IN BOTH ALKYL GROUPS IS NOT GREATER THAN 20.
Claim 3
Dependent Claim
39 words
THE COMPOSITION OF CLAIM 1 WHEREIN THE HYDROCARBON MIXTURE CONTAINS ADDITIONALLY ABUT 0.25 TO 0.75 PERCENT BY VOLUME OF THE COMPOSITION OF A LIGHT LUBRICATING OIL WHOSE VISCOSITY AT 100*F. IS ABOUT 50 TO ABOUT 500 SAYBOLT UNIVERSAL SECONDS.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |