Patents by Inventor Petteri KOSTIAINEN

Petteri KOSTIAINEN 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).

  • 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
  • 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