Patents by Inventor Saija Pollanen

Saija Pollanen 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