Patents Assigned to Ecochem International, Naamloze Vennootschap
  • Fire-resistant “oriented strand board” material
    Patent number: 8642184
    Abstract: Fire-resistant OSB (oriented strand board) material consisting of a middle layer and two outer layers, wherein the layers primarily consist of bonded wood flakes. There are one or more fire-retardant agents in the middle layer and one or both outer layers, and the nature and/or the concentrations of them in the middle layer are different from the nature and/or the concentrations of them in one or both outer layers.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: February 4, 2014
    Assignee: Ecochem International, Naamloze Vennootschap
    Inventors: Helmut Wiehn, Pieter Daeseleire, Herman Meynaerts