Patents by Inventor Nils-Inge Nilsson

Nils-Inge Nilsson 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 and an apparatus for alkali-treatment of lignocellulosic material
    Patent number: 4182780
    Abstract: A process for increasing the feed value of lignocellulosic materials by alkali-treatment and subsequent neutralization with an acid in a closed system under circulation of the treating agents. Said treating agents are supplied or prepared during the course of the treatment at a rate essentially corresponding to the liquid uptake of the lignocellulosic material, the quantities of residual solutions resulting from the treatment being kept at a minimum. Moreover, an apparatus for carrying such process into effect.
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: January 8, 1980
    Assignee: Boliden Aktiebolag
    Inventors: Gosta B. Lagerstrom, Nils-Inge Nilsson