Patents Assigned to Monash University Act 1958
  • Composition for impregnating porous materials, preparation and use thereof
    Patent number: 6503306
    Abstract: Composition for impregnating porous materials, in which the composition contains at lease one component having preservative properties or which release a component having preservative properties on heating, the composition comprising an emulsion of water and oil containing a primary surfactant and an amphoteric additive, the pH of the emulsion being equal or approximately equal to the iso-electric point of the amphoteric additive. The compositions of the invention are particularly useful in the preservation of timber.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: January 7, 2003
    Assignee: Monash University Act 1958
    Inventor: John Bernard Watkins