Patents Assigned to Mesto Paper Oy
  • Method for making paper, assembly for implementing the method and paper product produced by the method
    Patent number: 6680086
    Abstract: Method and assembly for forming a paper or board web and a product made using the method. According to the method, the web (11) is made from fibers and then the web (11) is treated with pigment particles. The web is treated with microscopic pigment particles whose average size is so small as to permit the particles to adhere to each other by van der Waals forces. The particles are transferred to the web and adhered thereto advantageously using an ion-blast technique.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: January 20, 2004
    Assignee: Mesto Paper Oy
    Inventors: Vilho Nissinen, Timo Nyberg, Pasi Rajala, Lars Grönroos, Pentti Virtanen, Veli Käsmä, Hannu Niemelä