Patents Assigned to Hager Aktiebolag
  • Preservative for wood
    Patent number: 4001400
    Abstract: The wood preservative of the present invention comprises an aqueous ammoniacal solution of a fatty acid salt of at least one metal of the group consisting of Cu, Zn, Ni, Cd and Co. The fatty acid contains 6-12 carbon atoms per molecule, and preferably caprylic acid.
    Type: Grant
    Filed: January 17, 1972
    Date of Patent: January 4, 1977
    Assignee: Hager Aktiebolag
    Inventor: Bror Olof Hager
  • Process for treatment of wood
    Patent number: 3995077
    Abstract: Wood is impregnated with a solution of a preservative in a vaporizable, water-free, organic solvent and thereafter treated with a warm high-boiling oil composition under subatmospheric pressure conditions effecting evaporation of the solvent used in the impregnation step.
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: November 30, 1976
    Assignee: Hager Aktiebolag
    Inventor: Bror Olof Hager