US2872303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-stalling gasoline agent
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-05-18
•
Granted: 1959-02-03
•
Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Donlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A GASOLINE COMPOSITION COMPRISING A HIGH QUALITY GASOLINE BASE HAVING AN OCTANE NUMBER GREATER THAN ABOUT 80, A REID VAPOR PRESSURE OF AT LEAST ABOUT 7 P. S. I., AN ASTM DISTILLATION 50% POINT BELOW ABOUT 310* F., AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE ANTISTALLLING TENDENCY OF A GASOLINE ENGINE, OF A VOLATILE PRIMARY AMINO ALKANOL HAVING THE STRUCTURE.
Claim 2
Dependent Claim
62 words
A GASOLINE COMPOSITION COMPRISING A HIGH QUALITY GASOLINE BASE HAVING AN OCTANE NUMBER GREATER THAN ABOUT 80, A REID VAPOR PRESSURE OF AT LEAST ABOUT 7 P. S. I., AN ASTM DISTILLATION 50% POINT BELOW ABOUT 310* F., AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE ANTISTALLLING TENDENCY OF A GASOLINE ENGINE, OF A VOLATILE PRIMARY AMINO ALKANOL HAVING THE STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |