Patents by Inventor Sidney J. Lestz

Sidney J. Lestz 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).

  • Gasoline composition containing a sodium additive
    Patent number: 3955938
    Abstract: Sodium containing additives in gasoline reduce valve seat recession and give other improvements in automotive internal combustion engines operating on lead-free gasoline. Preferably, the sodium-containing additive is a sodium derivative of an organic compound, e.g., a salt of an organic acid, or a dispersion of a sodium salt of an inorganic acid, e.g., a sodium carbonate dispersion.
    Type: Grant
    Filed: August 21, 1973
    Date of Patent: May 11, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: John P. Graham, Jack Ryer, Sidney J. Lestz