Patents Assigned to Aserraderos Quelen Quelen S.A.
  • Accelerated petrifaction process for lignocellulose materials
    Publication number: 20040105938
    Abstract: Disclosed is an accelerated petrifaction process of lignocellulose materials, including the step of impregnating with an aqueous solution an alkaline hydroxide and a soluble silicate, under pH conditions that permits its partial neutralization and insolubilization of the salts in situ in the interior of the lignocellulose material by the action of acid groups present in the lignocellulose material and the acidic action of carbon dioxide present in the surrounding air.
    Type: Application
    Filed: November 18, 2003
    Publication date: June 3, 2004
    Applicants: Universidad de Conception, Burkkhard Seeger Stein, Aserraderos Quelen Quelen S.A., Maderas Impregnadas Preserva Ltd., Barraca y Fabrica de Muebles, Puertas y Ventanas Silvia Ugarte
    Inventor: Julio Burkhard Seeger Stein