Patents Represented by Attorney John F. Sierberth

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  • Corrosion inhibitors for alcohol containing motor fuel
    Patent number: 4511367
    Abstract: Corrosion caused by gasohol or alcohol motor fuels is inhibited by the addition of a corrosion inhibiting amount of the combination of (A) at least one monoalkenylsuccinic acid wherein the alkenyl group contains about 8 to 30 carbon atoms and (B) a substituted imidazoline, e.g., 2-heptadecenyl-1-(2-hydroxyethyl)imidazoline.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: April 16, 1985
    Assignee: Ethyl Corporation
    Inventor: Gordon G. Knapp