Patent US2919684A successfully refreshed from Google Patents.
US2919684A
Expired / Lapsed
US
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Fuel containing anti-icing additive
Assignee: Phillips Petroleum Co
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Filing: 1954-01-21
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Granted: 1960-01-05
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Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donald E Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985; C10L1/22; C10L1/232
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
A FUEL COMPOSITION COMPRISING AS A MAJOR CONPONENT A MIXTURE OF HYDROCARBONS WHICH BOIL IN THE GASOLINE RANGE AND FROM 0.001 TO 0.9 WEIGHT PERCENT OF A DISTILLATION RESIDUE OBTAINED BY REACTING PARALDE HYDE WITH AMMONIA AT A TEMPERATURE IN THE RANGE 400 TO 600*F., SAID RESIDUE BOILING ABOVE 70*C. AT 10 MM. HG AND COMPRISING SUBSTITUTED PYRIDINES.
Claim 2
Dependent Claim
58 words
A FUEL COMPOSITION COMPRISING AS A MAJOR CONPONENT A MIXTURE OF HYDROCARBONS WHICH BOIL IN THE GASOLINE RANGE AND FROM 0.001 TO 0.9 WEIGHT PERCENT OF A DISTILLATION RESIDUE OBTAINED BY REACTING PARALDE HYDE WITH AMMONIA AT A TEMPERATURE IN THE RANGE 400 TO 600*F., SAID RESIDUE BOILING ABOVE 70*C. AT 10 MM. HG AND COMPRISING SUBSTITUTED PYRIDINES.
Claim 3
Dependent Claim
88 words
IN THE OPERATION OF AN INTERNAL COMBUSTION ENGINE UNDER COLD IDLING CONDITIONS AT AN ATMOSPHERIC TEMPERATURE IN THE RANGE 30 TO 60*F. AND A RELATIVE HUMIDITY GREATER THAN 60 PERCENT, THE METHOD WHICH COMPRISES SUPPLYING TO THE CARBURETOR OF SAID ENGINE, AS A CONSTITUENT OF THE FUEL, FROM 0.005 TO 0.9 WEIGHT PERCENT, BASED ON SAID FUEL, OF A DISTILLATION RESIDUE WHICH BOILS ABOVE 70*C. AT 10 MM. HG AND WHICH IS OBTAINED FROM THE REACTION OF PARALDEHYDE WITH AMMONIA AT A TEMPERAMM. HG AND COMPRISING SUBSTITUTED PYRIDINES.
Claim 4
Dependent Claim
88 words
IN THE OPERATION OF AN INTERNAL COMBUSTION ENGINE UNDER COLD IDLING CONDITIONS AT AN ATMOSPHERIC TEMPERATURE IN THE RANGE 30 TO 60*F. AND A RELATIVE HUMIDITY GREATER THAN 60 PERCENT, THE METHOD WHICH COMPRISES SUPPLYING TO THE CARBURETOR OF SAID ENGINE, AS A CONSTITUENT OF THE FUEL, FROM 0.005 TO 0.9 WEIGHT PERCENT, BASED ON SAID FUEL, OF A DISTILLATION RESIDUE WHICH BOILS ABOVE 70*C. AT 10 MM. HG AND WHICH IS OBTAINED FROM THE REACTION OF PARALDEHYDE WITH AMMONIA AT A TEMPERAMM. HG AND COMPRISING SUBSTITUTED PYRIDINES.
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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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |