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Thermally-controlled packaging device and method of making

  • US 9,376,605 B2
  • Filed: 01/20/2015
  • Issued: 06/28/2016
  • Est. Priority Date: 10/13/2009
  • Status: Active Grant
First Claim
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1. A phase change device for controlling temperature within an environment, the device comprising:

  • an open-celled foam having macropores and micropores defined therein;

    a phase change material selected from the group consisting of salts, hydrated salts, fatty acids, paraffins, and solutions, derivatives and mixtures thereof;

    wherein the phase change material is absorbed within the open-celled foam in an amount of about 88 percent to 96 percent by volume of the open-celled foam to make a filled foam, and the filled foam is characterized by the absence of description of the phase change material; and

    a protective covering encasing the filled foam.

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