Thermochromic efficiency indicator
    28.
    发明授权

    公开(公告)号:US10113920B2

    公开(公告)日:2018-10-30

    申请号:US14956187

    申请日:2015-12-01

    Abstract: A thermochromic efficiency indicator for indicating efficiency of a temperature affector, and methods of making and using such a thermochromic efficiency indicator, whereby the thermochromic efficiency indicator comprises: a substrate; and a first indicia coupled to the substrate, the first indicia comprising a first thermochromic compound capable of undergoing a first thermochromic compound color change; wherein the first thermochromic compound color change indicates the temperature affector is below a first predetermined efficiency threshold.

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