US2901336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiknock compositions
Assignee: Ethyl Corp
•
Filing: 1957-05-15
•
Granted: 1959-08-25
•
Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jerome E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10L1/1241; C10L1/14; C10L1/20; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
GASOLINE HAVING A MOTOR OCTANE NUMBER WHEN CLEAR OF AT LEAST ABOUT 76 CONTAING A LEAD ALKYL ANTIKNOCK AGENT, FROM ABOUT 0.4 TO ABOUT 0.6 THEORY BASED ON THE LEAD OF BROMINE AS A BROMINE-CONTAINING SCAVENGER, FROM ABOUT 0.8 TO ABOUT 1.2 THEORY BASED ON THE LEAD OF CHLORINE AS A CHLORINE-CONTAINING SCAVENGER, AND IRON PENTACARBONYL, THERE BEING PRESENT IN THE GASOLINE AN AMOUNT OF SAID AGENT EQUIVALENT TO FORM ABOUT 1.58 TO ABOUT 3.17 GRAMS OF ELEMENTAL LEAD PER GALLON, AND AN AMOUNT OF IRON PENTACARBONYL EQUIVALENT TO FROM ABOUT 0.005 TO 0.2 GRAM OF IRON PER GALLON.
Claim 2
Dependent Claim
99 words
GASOLINE HAVING A MOTOR OCTANE NUMBER WHEN CLEAR OF AT LEAST ABOUT 76 CONTAING A LEAD ALKYL ANTIKNOCK AGENT, FROM ABOUT 0.4 TO ABOUT 0.6 THEORY BASED ON THE LEAD OF BROMINE AS A BROMINE-CONTAINING SCAVENGER, FROM ABOUT 0.8 TO ABOUT 1.2 THEORY BASED ON THE LEAD OF CHLORINE AS A CHLORINE-CONTAINING SCAVENGER, AND IRON PENTACARBONYL, THERE BEING PRESENT IN THE GASOLINE AN AMOUNT OF SAID AGENT EQUIVALENT TO FORM ABOUT 1.58 TO ABOUT 3.17 GRAMS OF ELEMENTAL LEAD PER GALLON, AND AN AMOUNT OF IRON PENTACARBONYL EQUIVALENT TO FROM ABOUT 0.005 TO 0.2 GRAM OF IRON PER GALLON.
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |