US3676089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel composition
Assignee: Texaco Inc
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Filing: 1969-11-06
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Granted: 1972-07-11
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Expires: 1989-11-06
Abstract
Abstract MOTOR FUEL COMPOSITION COMPRISING A MIXTURE OF HYDROCARBONS IN THE GASOLINE BOILING RANGE CONTAINING (A) FROM 0.0004 TO 0.1 WEIGHT PERCENT BASED ON SAID COMPOSITION OF AN N-POLYAMINE SUBSTITUTED ALKENYL SUCCINAMIC ACID OR CORRESPONDING SUCCINIMIDE IN COMBINATION WITH (B) FROM 0.003 TO 0.20 VOLUME PERCENT OF (1) A POLYMER OF A C2 TO C6 UNSATURATED HYDROCARBON, (2) A COPOLYMER OF A C2 TO C6 UNSATURATED HYDROCARBON, OR (3) THE CORRESPONDING HYDROGENATED POLYMER OR COPOLYMER, SAID POLYMER OR COPOLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 500 TO 3500 AND A METHOD FOR OPERATING AN INTERNAL COMBUSTION GASOLINE ENGINE.
Inventors
- 👤 Herbert C Morris
- 👤 Peter Dorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1641; C10L1/22; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |