Patents Assigned to Imperbel N.V.
  • Waterproofing membrane
    Patent number: 7550205
    Abstract: A waterproofing membrane comprising a structure incorporating a fiber layer and wherein to one side of said structure a bituminous mass is applied and another side of said structure is covered on its surface with a substance comprising a mineral or organic filler and an acrylic polymer, whereby said substance comprises between 15% and 25% by dry weight of said acrylic polymer and mixed therewith between 4% and 22% by dry weight of titanium dioxide.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: June 23, 2009
    Assignee: Imperbel N.V.
    Inventors: Michel Getlichermann, Patrick Cogneau