Patents Assigned to K. H. Freeman Pty. Ltd.
  • Wax compositions
    Patent number: 4377649
    Abstract: A wax composition has water repellent and adhesive properties, is cheap and has wide application in the manufacture and treatment of corrugated paperboard, fibreboard, particle board and other cellulosic materials. The liquid composition comprises 1-50 wt % of a wax, 1-30 wt % of a starch and 1-50 wt % of a formaldehyde based resin.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: March 22, 1983
    Assignee: K. H. Freeman Pty. Ltd.
    Inventors: Nevin J. Sweeney, Kenneth C. Seale