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Patent application: Eco-friendly ice pack to be easily separated and discharged

Ben Welter - Friday, May 03, 2019

U.S. patent application 20190128585 (inventors Jung Kyun Na and Seok Choi, Hwaseong-si, South Korea):

"Disclosed herein is an eco-friendly ice pack, which includes a water repellent material that maintains the shape of the ice pack and does not absorb a refrigerant, so that it can be easily separately discharged after use of the ice pack. In accordance with the present invention, the above and other objects can be accomplished by the provision of an eco-friendly ice pack including a refrigerant including a phase change material changing phase according to temperature, an outer case including the refrigerant and being formed by sealing in order to prevent the refrigerant from being discharged to the outside, and a water repellent supporter being disposed in the outer case, holding the shape of the ice pack to prevent the shape of the ice pack from being changed according to the shape of the refrigerant, and having water repellency to the refrigerant to avoid mixing with the refrigerant."

http://www.freepatentsonline.com/20190128585.pdf

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