×

Utility materials incorporating a microparticle matrix

  • US 8,997,924 B2
  • Filed: 01/07/2013
  • Issued: 04/07/2015
  • Est. Priority Date: 03/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. A building material comprising:

  • a wallboard paper sheet;

    a core matrix comprised of a plurality of microparticles having a generally spherical shape and a hollow interior, and at least one binder for adhering said microparticles together, said core matrix defining first and second surfaces, wherein the first surface of the core matrix is disposed on the sheet, wherein the second surface of the core matrix is an exposed rough surface so as to expose a portion of the plurality of microparticles and the at least one binder; and

    a multi-elevational surface configuration formed in at least a part of said exposed rough surface of said core matrix that is configured to enhance the sound attenuation properties of said building material.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×