US3232724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiwear gasoline composition and additives therefor
Assignee: Union Oil Company of California
•
Filing: 1961-11-17
•
Granted: 1966-02-01
•
Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Finnigan
- 👤 Paul E Pfeifer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:45
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/19; C10L1/1905; C10L1/192; C10L1/198; C10L1/1985; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/26; C10L1/2633; C10L1/2641; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A MOTOR-FUEL COMPOSITION CONSISTING ESSENTIALLY OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE, ABOUT 6 TO 25 POUNDS AS SUBSTANTIALLY THE ONLY WEAR INHIBITOR OF DIBUTYL PHTHALATE PER 1000 BARRELS OF GASOLINE, ABOUT 2 TO 4 MILLILITER OF TETRAALKYL LEAD PER GALLON OF GASOLINE, ABOUT 0.2 TO 0.45 THEORY OF A PHOSPHATE ESTER OF THE GROUP CONSISTING OF ALKYL ARYL PHOSPHATES, ARYL PHOSPHATES AND MIXTURES THEREOF, ABOUT 0.00U TO 0.01 WEIGHT PERCENT OF A SURFACTANT CARBURETOR DETERGENT OF THE GROUP CONSISTING OF AN ALKYLPHENOXYPOLYETHOXY ALKANOL OF THE FORMULA
Claim 2
Dependent Claim
88 words
A MOTOR-FUEL COMPOSITION CONSISTING ESSENTIALLY OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE, ABOUT 6 TO 25 POUNDS AS SUBSTANTIALLY THE ONLY WEAR INHIBITOR OF DIBUTYL PHTHALATE PER 1000 BARRELS OF GASOLINE, ABOUT 2 TO 4 MILLILITER OF TETRAALKYL LEAD PER GALLON OF GASOLINE, ABOUT 0.2 TO 0.45 THEORY OF A PHOSPHATE ESTER OF THE GROUP CONSISTING OF ALKYL ARYL PHOSPHATES, ARYL PHOSPHATES AND MIXTURES THEREOF, ABOUT 0.00U TO 0.01 WEIGHT PERCENT OF A SURFACTANT CARBURETOR DETERGENT OF THE GROUP CONSISTING OF AN ALKYLPHENOXYPOLYETHOXY ALKANOL OF THE FORMULA
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |