Signals and indicators – Indicators – Temperature responsive or compensating means
Reexamination Certificate
2004-02-25
2008-10-07
Smith, R. A. (Department: 2841)
Signals and indicators
Indicators
Temperature responsive or compensating means
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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Hurme Eero
Koivukunnas Pekka
Avantone Oy
Oliff & Berridg,e PLC
Smith R. A.
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