Printed TTI indicators
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United States of America Patent
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Oct 7, 2008
Grant Date -
Jun 22, 2006
app pub date -
Feb 25, 2004
filing date -
Feb 27, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to time-temperature integrating indicators, also known as TTI indicators, which are easily printable on substrates, such as packaging materials, and to a method for the manufacture of packaging materials comprising printed TTI indicators. The printed TTI indicator is selectively activated at the time of packaging of a perishable product or alternatively at the time of opening of the package of a perishable product.
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