Patents by Inventor Donald R. Dixon

Donald R. Dixon 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).

  • Cleaning composition and method
    Patent number: 4968447
    Abstract: A cleaning composition includes a liquid vehicle having dispersed therein, a particulate, organic, polymeric material. This composition is used for cleaning encrustations from the interior surface of tubes or other vessels, particularly those of paint delivery systems. Such cleaning is accomplished by maintaining a flow of the cleaning composition through the vessel. The vehicle may comprise organic or inorganic solvent mixtures and may include detergents, surfactants and similar ancillary ingredients.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: November 6, 1990
    Assignee: Gage Products Company
    Inventors: Donald R. Dixon, Jeffrey W. Maxwell