Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ching-Chuan Wang0
Date of Patent
May 13, 2008
Patent Application Number
10871059
Date Filed
June 21, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A thermal chromic heat storing/releasing device includes a bag having an enclosed space for containing a heat storing/releasing material, and the heat storing/releasing material is a material that can store and release heat and the heat storing/releasing material is contained in the bag. A thermal chromic printed layer having at least a part disposed on the bag, and the printed material is mixed with a thermal chromic dye, such that the thermo chromic material will change the color of the printed layer for a visual indication as the temperature rises or drops.
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