Patents by Inventor Päivi Varvemaa

Päivi Varvemaa 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).

  • LIGNIN AND METHOD AND SYSTEM FOR PROCESSING LIGNIN
    Publication number: 20150068112
    Abstract: The invention relates to a method for processing lignin. The method includes feeding lignin material to the system, decreasing particle size of the lignin material in a grinding device in order to manufacture lignin powder having particle size distribution wherein at least 85 wt. % of the lignin agglomerates and particles are less than 300 microns, and increasing dry solids content of the lignin material at least 5 percentage units while decreasing the particle size in the grinding device. In addition, the invention relates to a system for processing lignin, a lignin powder, a method for manufacturing a product including lignin, a system for manufacturing a product including lignin and a product including lignin powder.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 12, 2015
    Applicant: UPM-KYMMENE CORPORATION
    Inventors: Päivi Varvemaa, Juha Sipponen, Vilho Nissinen, Suvi Pietarinen, Nina Pykäläinen, Mauno Miettinen