Patents by Inventor Paula Hirsilä

Paula Hirsilä 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).

  • SURFACE SIZE COMPOSITION AND ITS USE
    Publication number: 20230366153
    Abstract: The invention relates to a surface size composition for surface sizing of paper, board, or the like. The composition comprises at least an aluminium compound and an anionic lignin-carbohydrate complex.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 16, 2023
    Inventors: Anneli LEPO, Paula HIRSILÄ
  • Packaging material with barrier properties
    Patent number: 11643259
    Abstract: The present invention is directed to a packaging material, more specifically a packaging material having gas and/or moisture barrier properties, wherein the material comprises a barrier material comprising a layer comprising at least 50% of a zinc ionomer, a layer of polyethylene and a layer that forms a gas barrier. The invention is also directed to packaging products using said barrier material. Such products are in particular packages suitable for cosmetics and personal care products.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 9, 2023
    Assignee: Stora Enso OYJ
    Inventors: Ville Ribu, Paula Hirsilä, Kaj Backfolk
  • PACKAGING MATERIAL WITH BARRIER PROPERTIES
    Publication number: 20210171259
    Abstract: The present invention is directed to a packaging material, more specifically a packaging material having gas and/or moisture barrier properties, wherein the material comprises a barrier material comprising a layer comprising at least 50% of a zinc ionomer, a layer of polyethylene and a layer that forms a gas barrier. The invention is also directed to packaging products using said barrier material. Such products are in particular packages suitable for cosmetics and personal care products.
    Type: Application
    Filed: November 8, 2018
    Publication date: June 10, 2021
    Applicant: Stora Enso OYJ
    Inventors: Ville Ribu, Paula Hirsilä, Kaj Backfolk