US3009789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minimizing weathering loss by propanepentane priming of gasoline
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-12-15
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Granted: 1961-11-21
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Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 John M Jordan
- 👤 Charles E Hemminger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PRESSURIZING A MOTOR FUEL TO MINIMIZED VAPOR LOSS WHILE MAINTAINING A SUBSTANTIALLY CONSTANT VAPOR LOCK TENDENCY RATING, WHICH METHOD COMPRISES DEBUTANIZING A HYDROCARBON BASE STOCK BOILING IN THE GASOLINE BOILING RANGE, AND PRIMING SAID DEBUTANIZED FUEL WITH A MIXTURE OF PROPANE AND PENTANE SO THAT THE TOTAL RESULTANT COMPOSITION HAS FORM ABOUT 1 TO ABOUT 4% BY VOLUME OF PROPANE AND A RATIO BY VOLUME OF PENTANE TO PROPANE OF BETWEEN 5/1 AND 50/1.
Claim 2
Independent Claim
77 words
A METHOD OF PRESSURIZING A MOTOR FUEL TO MINIMIZED VAPOR LOSS WHILE MAINTAINING A SUBSTANTIALLY CONSTANT VAPOR LOCK TENDENCY RATING, WHICH METHOD COMPRISES DEBUTANIZING A HYDROCARBON BASE STOCK BOILING IN THE GASOLINE BOILING RANGE, AND PRIMING SAID DEBUTANIZED FUEL WITH A MIXTURE OF PROPANE AND PENTANE SO THAT THE TOTAL RESULTANT COMPOSITION HAS FORM ABOUT 1 TO ABOUT 4% BY VOLUME OF PROPANE AND A RATIO BY VOLUME OF PENTANE TO PROPANE OF BETWEEN 5/1 AND 50/1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |