Patents by Inventor Fred E. Barnes

Fred E. Barnes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Aviation gasoline containing reduced amounts of tetraethyl lead
    Patent number: 6767372
    Abstract: An aviation gasoline (Avgas) fuel composition possessing a high motor octane number and which contains reduced amounts of tetraethyl lead is disclosed. The Avegas composition preferably comprises about 20 to about 80 vol % iso-octane, about 5 to about 18 vol % toluene, about 1 to about 20 vol % C4 to C5 paraffins, about 0 to about 1 ml/gallon tetraethyl lead (TEL) and the balance light alkylate. The Avgas composition may be economically produced utilizing spare methyl tertiary butyl ether plant capacity to produce iso-octane as one component of the composition.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: July 27, 2004
    Assignee: Chevron U.S.A. Inc.
    Inventors: Fred E. Barnes, Gregory Hemighaus, William R. Scott
  • Aviation gasoline containing reduced amounts of tetraethyl lead
    Publication number: 20020055663
    Abstract: An aviation gasoline (Avgas) fuel composition possessing a high motor octane number and which contains reduced amounts of tetraethyl lead is disclosed. The Avgas composition preferably comprises about 20 to about 80 vol % iso-octane, about 5 to about 18 vol % toluene, about 1 to about 20 vol % C4 to C5 paraffins, about 0 to about 1 ml/gallon tetraethyl lead (TEL) and the balance light alkylate. The Avgas composition may be economically produced utilizing spare methyl tertiary butyl ether plant capacity to produce iso-octane as one component of the composition.
    Type: Application
    Filed: August 31, 2001
    Publication date: May 9, 2002
    Inventors: Fred E. Barnes, Gregory Hemighaus, William R. Scott