US3036904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel containing octane appreciator
Assignee: Texaco Inc
•
Filing: 1959-09-21
•
Granted: 1962-05-29
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Chafetz Harry
- 👤 George W Eckert
- 👤 Arkell Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/191; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ORGANO-LEAD ANTI-KNOCK AGENT, AT LEAST 5 VOLUME PERCENT HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFINIC HLYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF AND A HYDROCARBYL ESTER OF A HETEROCYCLIC OXYGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF ESTERS OF HYDROXYDIOXANE AND HYDROXYTETRAHYTDROPYRAN WHEREIN TEH ACYLOXY RADICAL IS ATTACHED TO A NUCLEAR CARBON ATOMS JOINED TO A NUCLEAR OXYGEN ATOM AND A NUCLEAR CARBON ATOM HAVING AT LEAST ONE HYDROGEN SUBSTITUENT, SAID ESTER BEING PRESENT IN THE CONCENTRATION BETWEEN 0.1 AND 5.0 VOLUME PERCENT, WHICH CONCENTRATION IS SUFFICIENT TO EFFECT SUBSTANTIAL OCTANE APPRECIATION OF SAID LEADED FUEL.
Claim 2
Dependent Claim
108 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ORGANO-LEAD ANTI-KNOCK AGENT, AT LEAST 5 VOLUME PERCENT HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFINIC HLYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF AND A HYDROCARBYL ESTER OF A HETEROCYCLIC OXYGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF ESTERS OF HYDROXYDIOXANE AND HYDROXYTETRAHYTDROPYRAN WHEREIN TEH ACYLOXY RADICAL IS ATTACHED TO A NUCLEAR CARBON ATOMS JOINED TO A NUCLEAR OXYGEN ATOM AND A NUCLEAR CARBON ATOM HAVING AT LEAST ONE HYDROGEN SUBSTITUENT, SAID ESTER BEING PRESENT IN THE CONCENTRATION BETWEEN 0.1 AND 5.0 VOLUME PERCENT, WHICH CONCENTRATION IS SUFFICIENT TO EFFECT SUBSTANTIAL OCTANE APPRECIATION OF SAID LEADED FUEL.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |