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US 6,335,200 B1Granted
Device containing and method of making a composition having an elevated freezing point and change of color at selected temperatures
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Abstract
Composition containing two components, which together show an elevated freezing point and bring about a color change at selected temperatures and method of making the same. Use of the composition to prepare a temperature indicating device by filling the same in a suitable transparent container and with a background in the form of a color, a number or a letter, which facilitates to visually observe the difference in color change.
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