US2930680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuels containing wear-reducing and rust preventing additives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-11-08
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Granted: 1960-03-29
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Jr John O Smith
- 👤 Jr John F Kunc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:15
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L10/04; C10L1/22; C10L1/232; C10L1/26; C10L1/2633; C10L1/2641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN IMPROVED LIQUID FUEL COMPOSITION COMPRISING A MAJOR PROPORTION, AT LEAST 95% BY WEIGHT, OF LIQUID HYDROCARBONS BOILING WITHIN THE LIMITS OF 75*F. AND 750*F., AND A MINOR PROPORTION, BETWEEN 0.03% AND 0.9% BY WEIGHT, OF A MIXTURE OF A HYDROQUINOLINE SELECTED FROM A GROUP CONSISTING OF TETRAHYDROQUINOLINE, DECAHYDROQUINOLINE, HYDROCARBOSTYRIL, THALLINE, DIHYDROTRIMETHYLQUINOLINE, AND 6-ETHOXY, 1,2-DIHYDRO, 2,2,4TRIMETHYLQUINOLINE AND A PHOSPHORIC ACID ESTER OF A POLYALKYLENE GLYCOL MONOETHER, WHEREIN SAID PHOSPHORIC ACID ESTER IS DEFINED BY THE FORMULA:
Claim 2
Dependent Claim
76 words
AN IMPROVED LIQUID FUEL COMPOSITION COMPRISING A MAJOR PROPORTION, AT LEAST 95% BY WEIGHT, OF LIQUID HYDROCARBONS BOILING WITHIN THE LIMITS OF 75*F. AND 750*F., AND A MINOR PROPORTION, BETWEEN 0.03% AND 0.9% BY WEIGHT, OF A MIXTURE OF A HYDROQUINOLINE SELECTED FROM A GROUP CONSISTING OF TETRAHYDROQUINOLINE, DECAHYDROQUINOLINE, HYDROCARBOSTYRIL, THALLINE, DIHYDROTRIMETHYLQUINOLINE, AND 6-ETHOXY, 1,2-DIHYDRO, 2,2,4TRIMETHYLQUINOLINE AND A PHOSPHORIC ACID ESTER OF A POLYALKYLENE GLYCOL MONOETHER, WHEREIN SAID PHOSPHORIC ACID ESTER IS DEFINED BY THE FORMULA:
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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |