US2673144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary alcohol-water fuel
Assignee: Standard Oil Co
•
Filing: 1950-06-10
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Granted: 1954-03-23
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Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Niles A Huggler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN AUXILIARY FUEL FOR USE IN COMBUSTION ENGINES CONSISTING ESSENTIALLY OF FROM ABOUT 25 TO 90% BY WEIGHT OF A LOWER ALKANOL HAVING FROM 1 TO 3 CARBON ATOMS AND FROM ABOUT 10 TO 75% BY WEIGHT OF WATER, AND ADDITIONALLY CONTAINING FROM 500 TO 2000 PARTS PER MILLION OF A CHELATING AGENT SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE SALTS AND ESTERS OF AN AMINO CARBOXYLIC ACID CONTAINING IN RELATION TO ONE BASIC NITROGEN ATOM MORE THAN ONE CARBOXYLIC ACID GROUP STANDING IN ALPHA POSITION THERETO, TO PREVENT THE FORMATION OF PRECIPITATES: FROM 200 TO 5000 PARTS PER MILLION OF AN ALKALINE BUFFER SALT OF A STRONG BASE AND A WEAK ACID TO MAINTAIN A PH OF AT LEAST 7; AND FROM 50 TO 500 PARTS PER MILLION OF A WATER-SOLUBLE SALT OF MERCAPTOBENZOTHIAZOLE, SAID PARTS PER MILLION BEING BASED ON THE TOTAL WEIGHT OF ALCOHOL AND WATER,
Claim 2
Dependent Claim
150 words
AN AUXILIARY FUEL FOR USE IN COMBUSTION ENGINES CONSISTING ESSENTIALLY OF FROM ABOUT 25 TO 90% BY WEIGHT OF A LOWER ALKANOL HAVING FROM 1 TO 3 CARBON ATOMS AND FROM ABOUT 10 TO 75% BY WEIGHT OF WATER, AND ADDITIONALLY CONTAINING FROM 500 TO 2000 PARTS PER MILLION OF A CHELATING AGENT SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE SALTS AND ESTERS OF AN AMINO CARBOXYLIC ACID CONTAINING IN RELATION TO ONE BASIC NITROGEN ATOM MORE THAN ONE CARBOXYLIC ACID GROUP STANDING IN ALPHA POSITION THERETO, TO PREVENT THE FORMATION OF PRECIPITATES: FROM 200 TO 5000 PARTS PER MILLION OF AN ALKALINE BUFFER SALT OF A STRONG BASE AND A WEAK ACID TO MAINTAIN A PH OF AT LEAST 7; AND FROM 50 TO 500 PARTS PER MILLION OF A WATER-SOLUBLE SALT OF MERCAPTOBENZOTHIAZOLE, SAID PARTS PER MILLION BEING BASED ON THE TOTAL WEIGHT OF ALCOHOL AND WATER,
References Cited (Backward Citations)
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Cited
US2215814A
Cited
US2252385A
Cited
US2373570A
Cited
US2412944A
Cited
US2462694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |