US2991162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel composition
Assignee: Standard Oil Co
•
Filing: 1960-05-11
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Granted: 1961-07-04
•
Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Malec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:56
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/06; C07D239/08; C07D239/10; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A MOTOR FUEL COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON BASE FUEL DISTILLING WITHIN THE GASOLINE DISTILLATION RANGE AND FROM ABOUT 0.0005% TO ABOUT 0.5% OF A MIXTURE OF (1) A CARBAMATE SELECTED FROM THE GROUP CONSISTING OF A HYDROXYALKYL 3-(N-ALKYLAMINO)-PROPYLCARBAMATE AND A HYDROXYALKYL 3-(N-ALKENYLAMINO)-PROPYLACARBAMATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
50 words
A MOTOR FUEL COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON BASE FUEL DISTILLING WITHIN THE GASOLINE DISTILLATION RANGE AND FROM ABOUT 0.0005% TO ABOUT 0.5% OF A MIXTURE OF (1) A CARBAMATE SELECTED FROM THE GROUP CONSISTING OF A HYDROXYALKYL 3-(N-ALKYLAMINO)-PROPYLCARBAMATE AND A HYDROXYALKYL 3-(N-ALKENYLAMINO)-PROPYLACARBAMATE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2922707A
Cited
US2961308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |