Patent ID: 6242074
Filing Date: 2001-06-05
Classification: A61F,B32B,D06N,Y10T

Abstract:
A composite material comprising:a polymeric film having a first side defining a planar surface, a second side having a plurality of three-dimensional structures extending outwardly from said second side, and a plurality of apertures, each of said apertures having an inlet on the first side and said apertures extending through the composite material and having at least a portion of each aperture defined by a sidewall extending from the first side of the polymeric film through one of said three-dimensional structures extending outwardly from the second side of the polymeric film; anda plurality of individual loose microfibers coupled substantially only to said first side of said polymeric film and to at least a portion of each of said sidewalls of the apertures extending through the polymeric film with a substantial portion of the inlet to the apertures not bridged by the microfibers and remaining open for the passage of fluid therethrough;wherein a majority of the individual loose microfibers have at least one end extending from said polymeric film.