Patents by Inventor Katja Eliisa Lyytikainen

Katja Eliisa Lyytikainen 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).

  • Manufacturing method for a film or product comprising an amphiphilic polymer
    Patent number: 10358772
    Abstract: A method for manufacturing of a film, wherein said film is manufactured in a paper or paper board machine, wherein the method comprises the steps of providing a solution of a nanofibrillated poly-saccharide, wherein said solution comprises from 0.01 to 50 weight-% nanofibrillated polysaccharide, and wherein the nanofibrillated polysaccharide is any one of microfibrillated cellulose, nanofibrillated cellulose, nanocrystalline cellulose, microcrystalline cellulose, cellulose whiskers and cellulose derivative or a combination or mixture thereof, wherein the method further comprises the steps of providing an amphiphilic polymer; and providing a mixture of said amphiphilic polymer and said solution comprising nanofibrillated polysaccharide, whereby an intermediate solution is obtained; bringing said intermediate solution into a foam; providing said foam in the paper or board machine.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: July 23, 2019
    Assignee: Stora Enso OYJ
    Inventors: Isto Heiskanen, Kaj Backfolk, Esa Tapio Saukkonen, Katja Eliisa Lyytikainen
  • MANUFACTURING METHOD FOR A FILM OR PRODUCT COMPRISING AN AMPHIPHILIC POLYMER
    Publication number: 20180355557
    Abstract: A method for manufacturing of a film, wherein said film is manufactured in a paper or paper board machine, wherein the method comprises the steps of providing a solution of a nanofibrillated poly-saccharide, wherein said solution comprises from 0.01 to 50 weight-% nanofibrillated polysaccharide, and wherein the nanofibrillated polysaccharide is any one of microfibrillated cellulose, nanofibrillated cellulose, nanocrystalline cellulose, microcrystalline cellulose, cellulose whiskers and cellulose derivative or a combination or mixture thereof, wherein the method further comprises the steps of providing an amphiphilic polymer; and providing a mixture of said amphiphilic polymer and said solution comprising nanofibrillated polysaccharide, whereby an intermediate solution is obtained; bringing said intermediate solution into a foam; providing said foam in the paper or board machine.
    Type: Application
    Filed: June 21, 2016
    Publication date: December 13, 2018
    Inventors: Isto Heiskanen, Kaj Backfolk, Esa Tapio Saukkonen, Katja Eliisa Lyytikainen