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Multilayer fabric with selective radiation filter

  • US 9,596,896 B2
  • Filed: 05/11/2015
  • Issued: 03/21/2017
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. An article of apparel, comprising:

  • a multilayer fabric comprising;

    a microporous water vapor permeable layer comprising pores that allow the transmission of far infrared (FIR) radiation and solar radiation; and

    a textile layer coupled to the microporous water vapor permeable layer,wherein the multilayer fabric comprises a plurality of zones, wherein the microporous water vapor permeable layer comprises a first pore pattern and a second pore pattern and wherein the first pore pattern of the microporous water vapor permeable layer in a first zone of the multilayer fabric is different from the second pore pattern of the microporous water vapor permeable layer in a second zone of the multilayer fabric,wherein the first pore pattern and the second pore pattern each comprise pores arranged in repeated and consistent patterns,wherein the microporous water vapor permeable layer consists of a metallic material, andwherein the pores of the microporous water vapor permeable layer have a pore size in the range of 1.0 micron to 14.0 microns.

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