Patents by Inventor Martti Toroi

Martti Toroi 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).

  • Procedure for manufacturing lignocellulosic material products
    Patent number: 5110414
    Abstract: A procedure for manufacturing lignocellulosic material products and for improving their strength and water resistance characteristics, high-molar mass lignin derivatives being added to the lignocellulosic material, of which at least 35% by weight are over 5000 in molar mass.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: May 5, 1992
    Assignee: Oy Keskuslaboratorio - Centrallaboratorium AB
    Inventors: Kaj G. Forss, Agneta G. M. Fuhrmann, Martti Toroi