Patents by Inventor Micheal Lennartz

Micheal Lennartz 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).

  • Process for Surface Colouration of Paper
    Publication number: 20090133201
    Abstract: The invention relates to a process for the surface colouration of paper characterized in that, in a first step, the paper surface is treated with a water soluble dye and, subsequently, in a second step, the paper surface is treated with a fixing agent.
    Type: Application
    Filed: November 1, 2006
    Publication date: May 28, 2009
    Inventors: Charles Hunger, Micheal Lennartz