Patent US2865723A successfully refreshed from Google Patents.
US2865723A
Expired / Lapsed
US
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Stabilized motor fuels
Assignee: Eastman Kodak Co
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Filing: 1953-08-31
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Granted: 1958-12-23
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Lappin
- 👤 John W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:33
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10L1/2235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A MOTOR FUEL STABLE TO OXIDATION, CONSISTING ESSENTIALLY OF GASOLINE NORMALLY SUBECT TO DETERIORATION CAUSED BY THE ACTION OF MOLECULAR OXYGEN, AND, IN QUANTITY SUFFICIENT TO INHIBIT SUCH DETERIORATION, A STABILIZING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 1% TO ABOUT 25% BY WEIGHT OF A SALT SELECTED FROM THE GROUP CONSISTING OF A CITRATE SALT AND A TARTRATE SALT OF AN AMINE ANTIOXIDANT HAVING THE FORMULA:
Claim 2
Dependent Claim
65 words
A MOTOR FUEL STABLE TO OXIDATION, CONSISTING ESSENTIALLY OF GASOLINE NORMALLY SUBECT TO DETERIORATION CAUSED BY THE ACTION OF MOLECULAR OXYGEN, AND, IN QUANTITY SUFFICIENT TO INHIBIT SUCH DETERIORATION, A STABILIZING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 1% TO ABOUT 25% BY WEIGHT OF A SALT SELECTED FROM THE GROUP CONSISTING OF A CITRATE SALT AND A TARTRATE SALT OF AN AMINE ANTIOXIDANT HAVING 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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |