Printed TTI indicators

Signals and indicators – Indicators – Temperature responsive or compensating means

Reexamination Certificate

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Details

C116S207000, C374S162000

Reexamination Certificate

active

07430982

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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