Patents by Inventor James B. Retzloff

James B. Retzloff 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).

  • Patent number: 4553979
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentration of:(a) organic nitrate ignition accelerator, and(b) the condensation product of a phenol, preferably a high molecular weight alkylphenol, and aldehyde and an amine having a H-N< group.Also described are additive mixtures of (a) and (b) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: November 19, 1985
    Assignee: Ethyl Petroleum Additives, Inc.
    Inventors: J. Vincent Hanlon, Denis L. Lenane, James B. Retzloff
  • Patent number: 4236898
    Abstract: Fuel consumption of an internal combustion engine being operated on a normally liquid hydrocarbon fuel of the gasoline boiling range is reduced by the addition to the fuel of a friction-reducing amount of a sulfurized fatty acid amide, ester or ester-amide of an oxyalkylated amine.
    Type: Grant
    Filed: May 3, 1979
    Date of Patent: December 2, 1980
    Assignee: Ethyl Corporation
    Inventors: Bryan T. Davis, James B. Retzloff