Patents by Inventor Maria Lepola

Maria Lepola 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 of making surface-sized paper/board
    Patent number: 7943010
    Abstract: The invention relates to a method of making surface-sized paper/board. The web to be treated in the method is after surface sizing passed to a treatment process for providing a desired drying shrinkage and/or increase of drying stresses to create thereby a desired effect on the flexural strength and/or bulk of paper/board.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: May 17, 2011
    Assignee: Metso Paper, Inc.
    Inventors: Reijo Pietikäinen, Mika Viljanmaa, Juha Lipponen, Juha Pakarinen, Jussi Jääskeläinen, Maria Lepola
  • Method of Making Surface-Sized Paper/Board
    Publication number: 20080295987
    Abstract: The invention relates to a method of making surface-sized paper/board. The web to be treated in the method is after surface sizing passed to a treatment process for providing a desired drying shrinkage and/or increase of drying stresses to create thereby a desired effect on the flexural strength and/or bulk of paper/board.
    Type: Application
    Filed: November 1, 2005
    Publication date: December 4, 2008
    Inventors: Reijo Pietikainen, Mika Viljanmaa, Juha Lipponen, Juha Pakarinen, Jussi Jaaskelainen, Maria Lepola
  • Method For Treating A Fibrous Web Downstream Of Slitting
    Publication number: 20080289784
    Abstract: The invention relates to a method for treating a fibrous web downstream of slitting. In the method, the finishing of a fibrous web for providing desired properties is performed by using one or more finishing units, at least one of which comprises a web processing apparatus provided with a metal belt.
    Type: Application
    Filed: May 31, 2005
    Publication date: November 27, 2008
    Applicant: METSO PAPER, INC.
    Inventors: Reijo Pietikainen, Eero Suomi, Pekka Taskinen, Mika Viljanmaa, Henri Vaittinen, Risto Talja, Vilho Nissinen, Jorma Laapotti, Jari Ilomaki, Maria Lepola, Juha Lipponen