US2938776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillate fuel composition
Assignee: Standard Oil Co
•
Filing: 1955-04-26
•
Granted: 1960-05-31
•
Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Hamer Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1814; C10L1/188; C10L1/1881; C10L1/1886; C10L1/26; C10L1/2608; C10L1/2633; C10L1/2641; C10L1/265; C10L1/2691; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A DISTILLATE FUEL COMPRISING A MAJOR PROPORTION GASOLINE CONTAINING TETRAETHYL LEAD AND A MINOR PROPORTION OF AN ADDITIVE COMBINATION ESSENTIALLY COMPRISING FROM ABOUT 10 TO 90 PARTS OF ALUMINUM NAPHTHENATE AND FROM ABOUT 10 TO PARTS OF TRICESYL PHOSPHATE, SAID ADDITIVE COMBINATION BEING IN AN AMOUNT SUFFICIENT TO REDUCE SUSCEPTIBILITY OF THE LEADED GASOLINE TO SURFACE IGNITION.
Claim 2
Dependent Claim
57 words
A DISTILLATE FUEL COMPRISING A MAJOR PROPORTION GASOLINE CONTAINING TETRAETHYL LEAD AND A MINOR PROPORTION OF AN ADDITIVE COMBINATION ESSENTIALLY COMPRISING FROM ABOUT 10 TO 90 PARTS OF ALUMINUM NAPHTHENATE AND FROM ABOUT 10 TO PARTS OF TRICESYL PHOSPHATE, SAID ADDITIVE COMBINATION BEING IN AN AMOUNT SUFFICIENT TO REDUCE SUSCEPTIBILITY OF THE LEADED GASOLINE TO SURFACE IGNITION.
References Cited (Backward Citations)
FR684887A
Cited
US2086775A
Cited
US2405560A
Cited
US2427173A
Cited
US2451345A
Cited
US2599341A
Cited
US2534217A
Cited
US2739049A
Cited
FR1100185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |