Self-cooling compositions, systems and methods
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United States of America Patent
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Jan 24, 2017
Grant Date -
Jul 2, 2015
app pub date -
Sep 8, 2014
filing date -
Oct 11, 2011
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Abstract
Self-cooling compositions and systems adapted to rapidly chill a substance in a compact container are provided. In some implementations, the composition comprises an aqueous solution and solid chemical reactants, wherein at least one solid chemical reactant is selected independently from the group consisting of NH4NO3, urea, and mixtures thereof; and a second solid chemical reactant is selected independently from the group consisting of NH4Cl, calcium sulfate, borax, phosphates, MgCl2, carrageenan, and mixtures thereof. The self-cooling compositions and systems can have a wide range of applications such as cooling comestibles or medical assay kits.
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