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The award-winning Phase Change Matters blog tracks the latest news and research on phase change materials and thermal energy storage. E-mail tips and comments to Ben Welter, communications director at Entropy Solutions. Follow the blog on Twitter at @PureTemp. Subscribe to the weekly PCM newsletter. Or join the discussion on LinkedIn.

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Patent application: Technologies for releasing thermal energy

Ben Welter - Tuesday, July 11, 2017

U.S. patent application 20170188754 (inventor Melissa Zimberg, Maplewood, N.J.):

"A heat unit containing a phase change material consisting of polyethylene glycol and a fatty acid combination of stearic and palmitic acids is disclosed. When heated in a microwave for about four (4) minutes the heat unit reaches a temperature of about 70° C. (158° F.). When placed in an insulated container, the heat unit will, after six (6) hours, have a temperature of about 40° C.-55° C. (104° F.-131° F.). The heat unit is advantageous for maintaining food hot during transport as well as other uses where long term heat emission is needed."

http://www.freepatentsonline.com/20170188754.pdf

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