10.4225/03/57CFA109C36D5 John Bernard Watkins John Bernard Watkins Composition for impregnating porous materials, preparation and use thereof - 2001 Monash University 2016 patent 2001 US6503306B1 WO99/48656 1959.1/23514 1959.1/2735 monash:2735 2016-09-07 05:09:26 Standard https://bridges.monash.edu/articles/standard/Composition_for_impregnating_porous_materials_preparation_and_use_thereof_-_2001/3807849 <div>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.</div><div><br></div><div><br></div>