Patents by Inventor Anna Nyberg Zetterlund

Anna Nyberg Zetterlund 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).

  • LAMINATES
    Publication number: 20240034027
    Abstract: The present invention relates to packaging materials in the form of laminates comprising a paper or paperboard substrate and a barrier film. The barrier film is based on microfibrillated cellulose. The laminate comprises a paper or paperboard substrate, wherein the substrate is in contact with a first adhesive layer, which is in contact with a second adhesive layer, which is in contact with the barrier film. The present invention also relates to methods for manufacturing such laminates.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 1, 2024
    Applicant: Stora Enso OYJ
    Inventors: Kaj Backfolk, Isto Heiskanen, Jukka Kankkunen, Anna Nyberg Zetterlund
  • Process for production of film comprising microfibrillated cellulose
    Patent number: 11834793
    Abstract: The present invention relates to a process for manufacturing a film comprising high amounts of microfibrillated cellulose (MFC), having haptic properties. According to the present invention, a wet web comprising MFC is formed, followed by addition of particles having an average diameter of at least 1 ?m to the wet web, followed by dewatering and/or drying. The wet web may be formed for example by wet laid or cast forming methods. The particles may be added to the wet web for example by cast coating or spraying.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: December 5, 2023
    Assignee: Stora Enso OYJ
    Inventors: Kaj Backfolk, Isto Heiskanen, Esa Saukkonen, Jukka Kankkunen, Anna Nyberg Zetterlund, Jan Lif
  • PROCESS FOR PRODUCTION OF FILM COMPRISING MICROFIBRILLATED CELLULOSE
    Publication number: 20210054570
    Abstract: The present invention relates to a process for manufacturing a film comprising high amounts of microfibrillated cellulose (MFC), having haptic properties. According to the present invention, a wet web comprising MFC is formed, followed by addition of particles having an average diameter of at least 1 ?m to the wet web, followed by dewatering and/or drying. The wet web may be formed for example by wet laid or cast forming methods. The particles may be added to the wet web for example by cast coating or spraying.
    Type: Application
    Filed: January 31, 2019
    Publication date: February 25, 2021
    Applicant: Stora Enso OYJ
    Inventors: Kaj Backfolk, Isto Heiskanen, Esa Saukkonen, Jukka Kankkunen, Anna Nyberg Zetterlund, Jan Lif