US3713792A
Expired / Lapsed
US
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Stabilization of fuel additives
Assignee: Veolia WTS USA Inc
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Filing: 1970-12-23
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Granted: 1973-01-30
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Expires: 1990-12-23
Abstract
Abstract THE PRESENT DISCLOSURE IS DIRECTED TO A METHOD OF STABILIZING FUEL ADDITIVES. THE METHOD GENERALLY ENTAILS INCORPORATING IN THE FUEL ADDITIVE AN EFFECTIVE AMOUNT OF GLYCEROL ESTER HAVING AT LEAST A R1-CO- GROUP, WHERE R1 REPRESENTS A HYDROXY SUBSTITUTED ALIPHATIC GROUP HAVING FROM ABOUT 11 TO ABOUT 24 CARBON ATOMS.
Inventors
- 👤 D Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:55
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1208; C10L1/1233; C10L1/14; C10L1/16; C10L1/1616; C10L1/18; C10L1/1802; C10L1/188; C10L1/19; C10L1/191; C10L1/192; C10L1/198; C10L1/1985; C10L1/22; C10L1/222; C10L1/2222; C10L1/228; C10L1/2283; C10L1/26; C10L1/2633; C10L1/2658
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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |