Patents by Inventor Petri Suhonen

Petri Suhonen 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 AND APPARATUS FOR PRODUCING MICROFIBRILLATED CELLULOSE FIBER
    Publication number: 20180237990
    Abstract: Method for producing microfibrillated cellulose(MFC), wherein the method comprising the steps of: Pre-treating of chemical pulp, such that, the pulp reaches a Schopper-Riegler (SR) value above 50, and refining the pulp, at a consistency of 3-6%, in a refiner with refiner blades, wherein the height of the refiner blades is in the range 2-3 mm.
    Type: Application
    Filed: August 23, 2016
    Publication date: August 23, 2018
    Inventors: Isto Heiskanen, Henri Kastinen, Lars Axrup, Saija Pollanen, Jani Korhonen, Petri Suhonen, Teemu Tiainen, Matti Vakevainen
  • Wet laid sheet material of a microfibrillated material composition
    Patent number: 9518364
    Abstract: A wet laid sheet material formed from a fibrous web, characterized in that the initial fibrous web contains >50% a calculated dry microfibrillated material composition by weight of the total fiber material content in the web, wherein the fibrillated material composition has a SR value of >70; and in that the moisture content in the sheet material is >30 wt.-%.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: December 13, 2016
    Assignee: Stora Enso OYJ
    Inventors: Isto Heiskanen, Nina Ruhoniemi, Vesa Lepisto, Jouni Tuomela, Susanna Tapio, Toni Jurvanen, Petri Suhonen
  • WET LAID SHEET MATERIAL OF A MICROFIBRILLATED MATERIAL COMPOSITION
    Publication number: 20150315747
    Abstract: A wet laid sheet material formed from a fibrous web, characterized in that the initial fibrous web contains >50% a calculated dry microfibrillated material composition by weight of the total fiber material content in the web, wherein the fibrillated material composition has a SR value of >70; and in that the moisture content in the sheet material is >30 wt.-%.
    Type: Application
    Filed: December 11, 2013
    Publication date: November 5, 2015
    Inventors: Isto Heiskanen, Nina Ruhoniemi, Vesa Lepisto, Jouni Tuomela, Susanna Tapio, Toni Jurvanen, Petri Suhonen