Patents by Inventor Stig Tollnerius

Stig Tollnerius 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).

  • Method for hydrophobing a cellulose substrate
    Patent number: 10378153
    Abstract: Method for hydrophobing a cellulose substrate (1), which comprising a first side and a second side, which faces away from the first side. The method comprising the steps of drying a cellulose substrate (1) to a dry content above 80%, preferably above 85%, adding a vaporized fatty acid halide, to the first side of the cellulose substrate, and, at the same time perform vacuum sucking at the second side of the cellulose substrate, such that, the vaporized fatty acid penetrates the cellulose substrate (1) in a predetermined direction through the substrate.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: August 13, 2019
    Assignee: STORA ENSO OYJ
    Inventors: Annki Karlsson, Raija Badenlid, Stig Tollnerius, Susanne Hansson
  • METHOD FOR HYDROPHOBING A CELLULOSE SUBSTRATE
    Publication number: 20180179708
    Abstract: Method for hydrophobing a cellulose substrate (1), which comprising a first side and a second side, which faces away from the first side. The method comprising the steps of drying a cellulose substrate (1) to a dry content above 80%, preferably above 85%, adding a vaporized fatty acid halide, to the first side of the cellulose substrate, and, at the same time perform vacuum sucking at the second side of the cellulose substrate, such that, the vaporized fatty acid penetrates the cellulose substrate (1) in a predetermined direction through the substrate.
    Type: Application
    Filed: June 28, 2016
    Publication date: June 28, 2018
    Inventors: Annki Karlsson, Raija Badenlid, Stig Tollnerius, Susanne Hansson