Patents by Inventor Teuvo Lappänen

Teuvo Lappänen 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).

  • PAPER AND METHOD FOR MAKING PAPER
    Publication number: 20100132902
    Abstract: The invention relates to a paper that is formed of a fibre-based source material and is applicable as printing paper. According to the invention, the surface of the paper is surface-treated by arranging on the surface sufficient density in such manner that the density of at least one surface layer of the paper is sufficiently high to yield a Gurley-Hill value of over 7000 s/100 ml as measured from the entire paper. Furthermore, the invention relates to a method for making paper.
    Type: Application
    Filed: April 25, 2008
    Publication date: June 3, 2010
    Applicant: UPM-Kymmene Oyj
    Inventors: Tarja Sinkko, Mikko Oksanen, Janne Varvemaa, Kyösti Haapoja, Teuvo Lappänen