US3083086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-propyl n-butyrate in leaded gasoline
Assignee: Sinclair Research Inc
•
Filing: 1959-04-09
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Granted: 1963-03-26
•
Expires: 1979-04-09
Abstract
No abstract record available.
Inventors
- 👤 Everett N Case
- 👤 Seymour H Patinkin
- 👤 Richard H Dellert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:51
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/20; C10L1/201; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A LEADED GASOLINE CONSISTING ESSENTIALLY OF BASE HYDROCARBON GASOLINE, A SMALL AOUNT OF TETRA-LOWERALKYL LEAD ANTIKNOCK AGENT SUFFICIENT TO REDUCE KNOCK AND ABOUT 5 TO 50 MOLES PER MOLE OF LEAD COMPOUND OF NPROPYL N-BUTYRATE, SUFFICIENT OT INCREASE THE OCTANE RATING OF THE LEADED GASOLINE.
Claim 2
Dependent Claim
45 words
A LEADED GASOLINE CONSISTING ESSENTIALLY OF BASE HYDROCARBON GASOLINE, A SMALL AOUNT OF TETRA-LOWERALKYL LEAD ANTIKNOCK AGENT SUFFICIENT TO REDUCE KNOCK AND ABOUT 5 TO 50 MOLES PER MOLE OF LEAD COMPOUND OF NPROPYL N-BUTYRATE, SUFFICIENT OT INCREASE THE OCTANE RATING OF THE LEADED GASOLINE.
References Cited (Backward Citations)
US1692784A
Cited
FR640311A
Cited
GB277326A
Cited
US2210942A
Cited
FR837965A
Cited
US2228662A
Cited
BE571921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |