Patents Assigned to Refrasud S.R.L.
  • Highly stabilized colloidal system for improving the physical, mechanical and chemical properties of building materials
    Patent number: 7098249
    Abstract: A highly stabilized colloidal system is disclosed comprising (a) 30 to 45 volume percent of a liquid phase comprising C15–C20 saturated hydrocarbons, C18–C25 unsaturated hydrocarbons and paraffinic mineral oil; and (b) 55 to 70 volume percent of a solid phase comprising a carbon fraction, a thickener, calcium carbonate and alumina. The highly stabilized colloidal system is used for improving the physical, mechanical, and chemical properties of building materials.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: August 29, 2006
    Assignee: Refrasud S.R.L.
    Inventor: Angelo Ture