Patents by Inventor George W. Dear

George W. Dear 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).

  • Corrosion inhibition by formation of iron carboxylate
    Patent number: 5385616
    Abstract: A method for inhibiting corrosion of a metal surface bearing a corrosion product including ferrous ions is disclosed. The method comprises applying to the surface a reaction product of an alcohol and a fatty acid maleic anhydride adduct produced by a reaction between maleic anhydride and an unsaturated fatty acid. Related compositions and coated metal surfaces are also disclosed.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: January 31, 1995
    Assignee: Petrolite Corporation
    Inventors: James A. Dougherty, George W. Dear, Bernardus A. Oude
  • Alkyl or alkenyl succinic acids as corrosion inhibitors for oxygenated fuels
    Patent number: 5080686
    Abstract: This invention relates to a corrosion inhibited system comprising(1) an oxygenated fuel, and(2) an alkenyl or alkyl succinic acid or a polymer thereof.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: January 14, 1992
    Assignee: Petrolite Corporation
    Inventors: Robert J. Garrecht, J. Irvine Knepper, George W. Dear
  • Corrosion inhibition in engine fuel systems
    Patent number: 4595523
    Abstract: There is provided a corrosion inhibitor for use in the storage, distribution and use of alcohol as a fuel for internal combustion engines. The inhibitor comprises a triazole and an amine salt of an acid. There is further provided a corrosion-inhibited alcohol fuel and a method of inhibiting corrosion in metals.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: June 17, 1986
    Assignee: Petrolite Corporation
    Inventors: J. Irvine Knepper, Robert J. Garrecht, George W. Dear