Package having phase change materials and method of use in transport of temperature sensitive payload
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United States of America Patent
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Mar 22, 2011
Grant Date -
Feb 12, 2009
app pub date -
May 5, 2008
filing date -
May 4, 2007
priority date (Note) -
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Abstract
The present invention is directed to a transport package which efficiently maintains payload temperature within a predetermined temperature range during delivery through regions having ambient temperatures outside the desired range. The transport package is used for transporting temperature sensitive materials and thermally protecting the materials from cold and hot ambient temperatures in a manner that does not require a power source or other mechanical devices. Aspects of the invention relate to a temperature maintaining packaging system having an outer container, thermal insulation materials and two or more different phase change materials.
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