Patents by Inventor Klas Norborg

Klas Norborg 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).

  • Liquid board
    Patent number: 7291246
    Abstract: The invention relates to liquid board comprising one or more layers of material containing cellulose, one or more of said layers comprising an additive that has the capacity to react with or decompose a disinfectant with which said liquid board is treated, so that a gas is formed that acts as a barrier and thereby prevents the penetration, especially edge penetration, of said disinfectant into the paperboard layer/layers.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: November 6, 2007
    Assignee: Stora Enso Aktiebolag
    Inventors: Klas Norborg, Mikael Hjerpe, Kajsa von Schalien
  • Liquid board
    Publication number: 20030141026
    Abstract: The invention relates to liquid board comprising one or more layers of material containing cellulose, one or more of said layers comprising an additive that has the capacity to react with or decompose a disinfectant with which said liquid board is treated, so that a gas is formed that acts as a barrier and thereby prevents the penetration, especially edge penetration, of said disinfectant into the paperboard layer/layers.
    Type: Application
    Filed: December 23, 2002
    Publication date: July 31, 2003
    Inventors: Klas Norborg, Mikael Hjerpe, Kajsa van Schalien