Patents by Inventor Charles J. Butke

Charles J. Butke 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).

  • Composition for cleaning and imparting antistatic properties to plastics surfaces
    Patent number: 4511489
    Abstract: A cleaning and polishing composition for acrylic plastic substrates, including Plexiglas, Lexan and the like, as well as other hard surfaces is provided by an aqueous dispersion of a fluid silicone oil such as polydimethylsiloxane, a nonionic or anionic surfactant such as sodium lauryl sulfate and a fluorinated organic surface-active compound, the balance being water. These compositions provide fast, streak-free and dust repelling cleaning and polishing, especially suitable for Plexiglas and other acrylic plastic materials.
    Type: Grant
    Filed: June 1, 1983
    Date of Patent: April 16, 1985
    Assignee: The Drackett Company
    Inventors: Luz P. Requejo, Charles J. Butke