Patent US2887369A successfully refreshed from Google Patents.
US2887369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cracked gasoline stabilized against deterioration in the presence of water having a ph of less than 5
Assignee: Eastman Kodak Co
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Filing: 1956-12-07
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Granted: 1959-05-19
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 John W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:28
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
GASOLINE COMPRISING A SUBSTANTIAL PROPORTION OF CRACKED GASOLINE NORMALLY SUBJECT TO OXIDATIVE DETERIORATION WHEN IN INTIMATE CONTACT FOR AT LEAST SIX HOURS WITH AN AQUEOUS PHASE HAVING A PH OF LESS THAN ABOUT SAID GASOLINE CONTAINING A STABILZING AMOUNT OF AT LEAST ONE ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF N,N'' - BIS(1 -METHYLHEXYL) - P - PHENYLENEDIAMINE, N,N'' -BIS(1- ETHYL- 3- METHYLHEPTYL)-P-PHENYLENEDIAMINE, AND N,N''BIS(1METHYLHEPTYL-P-PHENYLENEDIAMINE WHICH ANTIOXIDANTS ARE CHARACTERIZED BY CAUSING SUBSTANTIALLY NO DISCOLORATION OF SAID AQUEOUS PHASE AND THE GASOLINE PHASE HAS AN INDUCTION PERIOD OF AT LEAST 300 MINUTES MEASURED PBY THE OXYGEN BOMB STABILITY TEST WHEREIN THE COMPOSITION CONTAINS 20 VOLUME PERCENT OF SAID AQUEOUS PHASE WHICH HAS A PH OF 2 AND THE COMPOSITION IS SHAKEN 5 MINUTES.
Claim 2
Dependent Claim
122 words
GASOLINE COMPRISING A SUBSTANTIAL PROPORTION OF CRACKED GASOLINE NORMALLY SUBJECT TO OXIDATIVE DETERIORATION WHEN IN INTIMATE CONTACT FOR AT LEAST SIX HOURS WITH AN AQUEOUS PHASE HAVING A PH OF LESS THAN ABOUT SAID GASOLINE CONTAINING A STABILZING AMOUNT OF AT LEAST ONE ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF N,N'' - BIS(1 -METHYLHEXYL) - P - PHENYLENEDIAMINE, N,N'' -BIS(1- ETHYL- 3- METHYLHEPTYL)-P-PHENYLENEDIAMINE, AND N,N''BIS(1METHYLHEPTYL-P-PHENYLENEDIAMINE WHICH ANTIOXIDANTS ARE CHARACTERIZED BY CAUSING SUBSTANTIALLY NO DISCOLORATION OF SAID AQUEOUS PHASE AND THE GASOLINE PHASE HAS AN INDUCTION PERIOD OF AT LEAST 300 MINUTES MEASURED PBY THE OXYGEN BOMB STABILITY TEST WHEREIN THE COMPOSITION CONTAINS 20 VOLUME PERCENT OF SAID AQUEOUS PHASE WHICH HAS A PH OF 2 AND THE COMPOSITION IS SHAKEN 5 MINUTES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |