← Back to Patent Explorer
US3009792A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor fuel containing synergistic anti-knock additive

Assignee: Texaco Inc
•
Filing: 1958-03-07
•
Granted: 1961-11-21
•
Expires: 1978-03-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George W Eckert
  • 👤 Howard V Hess

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:06
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1881; C10L1/189; C10L1/22; C10L1/222; C10L1/223; C10L1/30; C10L1/305; C10L1/306

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ALKYL LEAD ANTI-KNOCK AGENT, AT LEAST 10 VOLUME PERCENT OF HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFINIC HYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF, AND A SYNERGISTIC ADDITIVE COMBINATION OF A HYDROCARBYL MONOCARBOXYLIC ACID CONTAINING 1-30 CARBON ATOMS AND A HYDROCARBYL AMINE SELECTED FROM THE GROUP CONSISTING OD MONOCYCLIC AND BICYCLIC PRIMARY AND SECONDARY ARYLAMINES, SAID ACID AND SAID AMINE BOTH BEING PRESENT IN A CONCENTRATION OF 0.1 TO 5.0 VOLUME PERCENT WHEREBY SYNERGISTIC OCTANE IMPROVEMENT OF THE OCTANE RATING OF SAID ORGANO-LEAD CONTRAINING HYDROCARBON FUEL IS OBTAINED.
Claim 2
Dependent Claim 100 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ALKYL LEAD ANTI-KNOCK AGENT, AT LEAST 10 VOLUME PERCENT OF HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFINIC HYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF, AND A SYNERGISTIC ADDITIVE COMBINATION OF A HYDROCARBYL MONOCARBOXYLIC ACID CONTAINING 1-30 CARBON ATOMS AND A HYDROCARBYL AMINE SELECTED FROM THE GROUP CONSISTING OD MONOCYCLIC AND BICYCLIC PRIMARY AND SECONDARY ARYLAMINES, SAID ACID AND SAID AMINE BOTH BEING PRESENT IN A CONCENTRATION OF 0.1 TO 5.0 VOLUME PERCENT WHEREBY SYNERGISTIC OCTANE IMPROVEMENT OF THE OCTANE RATING OF SAID ORGANO-LEAD CONTRAINING HYDROCARBON FUEL IS OBTAINED.

References Cited (Backward Citations)

US1605663A Cited
US1606431A Cited
US1692784A Cited
FR640311A Cited
US1649485A Cited
GB277326A Cited
FR793967A Cited
FR837965A Cited
US2230844A Cited
US2403268A Cited
US2409156A Cited
US2884315A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag