Thermally protective flame retardant fabric

  • US 8,501,639 B2
  • Filed: 11/07/2011
  • Issued: 08/06/2013
  • Est. Priority Date: 05/14/2002
  • Status: Active Grant
First Claim
Patent Images

1. A fabric consisting of a single layer of a non-woven substrate,wherein the non-woven substrate is treated with a finish comprising one or more flame retardant phosphorous compounds or nitrogen compounds,wherein the non-woven substrate is a non-woven fabric comprising cellulosic fibers and has a basis weight ranging from 3.0 to 8.0 ounces per square yard,wherein the finish is applied to the non-woven substrate in an amount ranging from 15 to 130 percent solids, based upon the weight of the non-woven substrate,wherein the single-layer, finished fabric has a thickness ranging from 0.01 to 0.15 inches and a contact thermal protective performance value of at least 4.5,wherein the non-woven substrate is a non-woven, stitchbonded fabric, andwherein the non-woven substrate comprises polyester fibers.

View all claims

    Thank you for your feedback