US3035905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine fuel
Assignee: Union Oil Company of California
•
Filing: 1958-02-04
•
Granted: 1962-05-22
•
Expires: 1978-02-04
Abstract
No abstract record available.
Inventors
- 👤 James L Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN INTERNAL COMBUSTION ENGINE FUEL CONSISTING ESSENTIALLY OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE CONTAINING BETWEEN ABOUT 0.00005% AND ABOUT 0.5% BY WEIGHT OF THE SALT OF A HYDROCARBON DIESTER OF PHOSPHORIC ACID IN WHICH THE HYDROCARBON GROUPS CONTAIN BETWEEN 6 AND 22 CARBON ATOMS AND AND ALIPHATIC HYDROCARBON DIAMINE HAVING NOT MORE THAN ONE N-HYDROCARBON SUBSTITUENT, SAID FUEL CONTAINING ALSO BETWEEN ABOUT 0.006% AND ABOUT 0.6% BY WEIGHT OF A PARAFFINIC HYDROCARBON OIL HAVING A VISCOSITY AT 210*F. BETWEEN 42 AND 78 SSU AND A FLASH POINT OF AT LEAST 400*F.
Claim 2
Dependent Claim
93 words
AN INTERNAL COMBUSTION ENGINE FUEL CONSISTING ESSENTIALLY OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE CONTAINING BETWEEN ABOUT 0.00005% AND ABOUT 0.5% BY WEIGHT OF THE SALT OF A HYDROCARBON DIESTER OF PHOSPHORIC ACID IN WHICH THE HYDROCARBON GROUPS CONTAIN BETWEEN 6 AND 22 CARBON ATOMS AND AND ALIPHATIC HYDROCARBON DIAMINE HAVING NOT MORE THAN ONE N-HYDROCARBON SUBSTITUENT, SAID FUEL CONTAINING ALSO BETWEEN ABOUT 0.006% AND ABOUT 0.6% BY WEIGHT OF A PARAFFINIC HYDROCARBON OIL HAVING A VISCOSITY AT 210*F. BETWEEN 42 AND 78 SSU AND A FLASH POINT OF AT LEAST 400*F.
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |