Patent US2622018A successfully refreshed from Google Patents.
US2622018A
Expired / Lapsed
US
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Motor fuel
Assignee: ExxonMobil Oil Corp
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Filing: 1949-10-19
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Granted: 1952-12-16
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Expires: 1969-10-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph V White
- 👤 Phillip S Landis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A MOTOR FUEL WHICH COMPRISES A GASOLINE CONTAINING BETWEEN ABOUT 0.0001 PER CENT AND ABOUT ONE PER CENT, BY WEIGHT, OF THE REACTION PRODUCT OBTAINED BY REACTING, WITH THE FORMATION OF WATER OF CONDENSATION, AT LEAST ONE ALIPHATIC MONOCARBOXYLIC ACID WITH A POLYALKYLENEPOLYAMINE HAVING ONE MORE NITROGEN ATOM PER MOLECULE THAN THERE ARE ALKYLENE GROUPS IN THE MOLECULE AND HAVING BETWEEN ABOUT TWO AND ABOUT SIX ALKYLENE GROUPS PER MOLECULE IN A MOLAR PROPORTION VARYING BETWEEN ABOUT 1:1, RESPECTIVELY, AND ABOUT X:1, RESPECTIVELY, X REPRESENTING THE NUMBER OF NITROGEN ATOMS IN THE POLYALKYLENEPOLYAMINE MOLECULE, AT A TEMPERATURE OF BETWEEN ABOUT 60* C. AND ABOUT 200* C., AND FOR A PERIOD OF TIME VARYING BETWEEN ABOUT 4 HOURS AND ABOUT 18 HOURS; AT LEAST ONE MOLE OF SAID ALIPHATIC MONOCARBOXYLIC ACID SO REACTED WITH EACH MOLE OF SAID POLYALKYLENEPOLYAMINE HAVING AT LEAST ABOUT 8 CARBON ATOMS PER MOLECLE.
Claim 2
Dependent Claim
147 words
A MOTOR FUEL WHICH COMPRISES A GASOLINE CONTAINING BETWEEN ABOUT 0.0001 PER CENT AND ABOUT ONE PER CENT, BY WEIGHT, OF THE REACTION PRODUCT OBTAINED BY REACTING, WITH THE FORMATION OF WATER OF CONDENSATION, AT LEAST ONE ALIPHATIC MONOCARBOXYLIC ACID WITH A POLYALKYLENEPOLYAMINE HAVING ONE MORE NITROGEN ATOM PER MOLECULE THAN THERE ARE ALKYLENE GROUPS IN THE MOLECULE AND HAVING BETWEEN ABOUT TWO AND ABOUT SIX ALKYLENE GROUPS PER MOLECULE IN A MOLAR PROPORTION VARYING BETWEEN ABOUT 1:1, RESPECTIVELY, AND ABOUT X:1, RESPECTIVELY, X REPRESENTING THE NUMBER OF NITROGEN ATOMS IN THE POLYALKYLENEPOLYAMINE MOLECULE, AT A TEMPERATURE OF BETWEEN ABOUT 60* C. AND ABOUT 200* C., AND FOR A PERIOD OF TIME VARYING BETWEEN ABOUT 4 HOURS AND ABOUT 18 HOURS; AT LEAST ONE MOLE OF SAID ALIPHATIC MONOCARBOXYLIC ACID SO REACTED WITH EACH MOLE OF SAID POLYALKYLENEPOLYAMINE HAVING AT LEAST ABOUT 8 CARBON ATOMS PER MOLECLE.
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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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |