Patents by Inventor Pertti Nousianen

Pertti Nousianen 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).

  • Publication number: 20120136146
    Abstract: A process for producing microfibrillated cellulose comprises providing a slurry comprising cellulosic fibers, treating the slurry with an enzyme, mechanically treating the slurry so that the fibers are disintegrated wherein the mechanical treatment and the treatment with the enzyme is performed simultaneously in a single treatment step. In this way it is possible to produce microfibrillated cellulose (MFC) in an improved and energy efficient way. A microfibrillated cellulose is produced according to the process.
    Type: Application
    Filed: June 23, 2010
    Publication date: May 31, 2012
    Applicant: Stora Enso OYJ
    Inventors: Isto Heiskanen, Kaj Backfolk, Marianna Vehvilainen, Taina Kamppuri, Pertti Nousianen