Patents by Inventor Jan-Erik NORDSTRÖM

Jan-Erik NORDSTRÖM 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 for producing a foam web
    Patent number: 10301775
    Abstract: Method for producing a sterilized foam web, wherein the method comprising the steps of preparing a wet foam (1), feeding the wet foam (1) to a head box (2, 11), distributing the wet foam by the head box (2, 11), treating the wet foam (1) with electron beam radiation (3a, 3b, 3c) to immobilize and sterilize the wet foam (1), receiving the electron beam treated foam on a moving wire (4) to form a foam web (6, 13), pressing and the foam web (6, 13), and drying the foam web (6, 13).
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 28, 2019
    Assignee: Stora Enso OYJ
    Inventors: Jan-Erik Nordström, Jari Räsänen
  • Process for dewatering microfibrillated cellulose
    Patent number: 10240289
    Abstract: The present invention relates to a process for dewatering a slurry comprising a microfibrillated cellulose wherein the process comprises the following steps of providing a slurry comprising a microfibrillated cellulose and a liquid, subjecting the slurry to a first mechanical pressure in order to dewater the slurry, and subjecting the slurry to a second mechanical pressure which second pressure is higher than the first pressure.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: March 26, 2019
    Assignee: Stora Enso OYJ
    Inventors: Laura Nousiainen, Petteri Kostiainen, Petteri Saarinen, Jan-Erik Nordström
  • METHOD FOR PRODUCING A FOAM WEB
    Publication number: 20170306561
    Abstract: Method for producing a sterilized foam web, wherein the method comprising the steps of preparing a wet foam (1),feeding the wet foam (1) to a head box (2, 11),distributing the wet foam by the head box (2, 11),treating the wet foam (1) with electron beam radiation (3a, 3b, 3c) to immobilize and sterilize the wet foam (1),receiving the electron beam treated foam on a moving wire (4) to form a foam web (6, 13), pressing and the foam web (6, 13),and drying the foam web (6, 13).
    Type: Application
    Filed: September 30, 2015
    Publication date: October 26, 2017
    Applicant: STORA ENSO OYJ
    Inventors: Jan-Erik Nordström, Jari Räsänen
  • PROCESS FOR DEWATERING MICROFIBRILLATED CELLULOSE
    Publication number: 20160265160
    Abstract: The present invention relates to a process for dewatering a slurry comprising a microfibrillated cellulose wherein the process comprises the following steps of providing a slurry comprising a microfibrillated cellulose and a liquid, subjecting the slurry to a first mechanical pressure in order to dewater the slurry, and subjecting the slurry to a second mechanical pressure which second pressure is higher than the first pressure.
    Type: Application
    Filed: November 5, 2014
    Publication date: September 15, 2016
    Inventors: Laura NOUSIAINEN, Petteri KOSTIAINEN, Petteri SAARINEN, Jan-Erik NORDSTRÖM