US3013869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon-soluble alkali metal compositions
Assignee: EIDP Inc
•
Filing: 1959-02-16
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Granted: 1961-12-19
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kissa Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:39
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C07; C07C; C07C53/00; C07C53/126; C07C53/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A LIQUID HYDROCARBON FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING AS AN ANTIKNOCK AGENT A LITHIUM SALT OF AN ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID, THE AMOUNT OF THE LITHIUM SALT OF THE ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID BEING INCREASED OVER ITS NORMAL SOLUBILITY IN SUCH LIQUID HYDROCARBON BY HAVING INCORPORATED THEREWITH AN ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID, THE CARBOXYLIC ACIDS AND THE CARBOXYLIC ACID SALTS BEING THOSE IN WHICH THE CARBOXY GROUP IS ATTACHED TO A HYDROCARBON RADICAL, THE MOLAR RATIO OF ACID TO SALT IN THE COMPOSITION BEING WITHIN THE RANGE OF FROM ABOUT 10:1 TO 0.5:1.
Claim 2
Dependent Claim
97 words
A LIQUID HYDROCARBON FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING AS AN ANTIKNOCK AGENT A LITHIUM SALT OF AN ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID, THE AMOUNT OF THE LITHIUM SALT OF THE ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID BEING INCREASED OVER ITS NORMAL SOLUBILITY IN SUCH LIQUID HYDROCARBON BY HAVING INCORPORATED THEREWITH AN ALIPHATIC BRANCHED CHAIN CARBOXYLIC ACID, THE CARBOXYLIC ACIDS AND THE CARBOXYLIC ACID SALTS BEING THOSE IN WHICH THE CARBOXY GROUP IS ATTACHED TO A HYDROCARBON RADICAL, THE MOLAR RATIO OF ACID TO SALT IN THE COMPOSITION BEING WITHIN THE RANGE OF FROM ABOUT 10:1 TO 0.5:1.
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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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |