Ingestibles possessing intrinsic color change
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 19, 2003
Grant Date -
N/A
app pub date -
Jun 23, 2000
filing date -
Jun 23, 2000
priority date (Note) -
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Abstract
Methods and compositions are provided comprising ingestibles and a thermochromic composition which is informative as to the temperature history of the ingestible, either prior or contemporaneous with use. Various solid or liquid ingestible compositions are provided for determining storage temperature, temperature of the user, temperature of the ingestible, particularly comestibles, and the like. Of particular interest are polydiacetylene polymers which may be formulated to provide compositions having transition temperature over a broad temperature range.
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