Patents by Inventor Mika Riikonen

Mika Riikonen 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).

  • PAPER OR PAPERBOARD PRODUCT AND A PROCESS FOR PRODUCTION OF A PAPER OR PAPERBOARD PRODUCT
    Publication number: 20130180680
    Abstract: The present invention relates to a paper or paperboard product comprising a furnish wherein said furnish comprises a cationic polymer in an amount of above 1.5% by weight, an anionic polymer and microfibrillated cellulose. The invention further relates to a process for the production of said product.
    Type: Application
    Filed: September 19, 2011
    Publication date: July 18, 2013
    Applicant: STORA ENSO OYJ
    Inventors: Lars Axrup, Isto Heiskanen, Kaj Backfolk, Mika Riikonen
  • PROCESS FOR PRODUCTION OF A PAPER OR PAPERBOARD PRODUCT
    Publication number: 20120241114
    Abstract: The present invention relates to a process for producing a paper or paperboard product which process comprises the steps of, providing a furnish comprising fibers, adding starch to the furnish, adding microfibrillated cellulose to the furnish, conducting the furnish to a wire in order to form a web, wherein the starch and microfibrillated cellulose is added separately to the furnish.
    Type: Application
    Filed: November 30, 2010
    Publication date: September 27, 2012
    Applicant: STORA ENSO OYJ
    Inventors: Lars Axrup, Isto Heiskanen, Mika Riikonen
  • High quality paperboard and products made thereof
    Patent number: 7897011
    Abstract: The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an internal strength and a bending resistance that is comparable with conventional high quality paperboard based on softwood CTMP. The invention also relates to products manufactured of the paperboard.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: March 1, 2011
    Assignee: Stora Enso AB
    Inventors: Frank Peng, Isto Heiskanen, Mika Riikonen
  • High Quality Paperboard and Products Made Thereof
    Publication number: 20080314536
    Abstract: The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an internal strength and a bending resistance that is comparable with conventional high quality paperboard based on softwood CTMP. The invention also relates to products manufactured of the paperboard.
    Type: Application
    Filed: February 9, 2006
    Publication date: December 25, 2008
    Inventors: Frank Peng, Isto Heiskanen, Mika Riikonen