Time-temperature indicator

G - Physics – 01 – K

Patent

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Details

G01K 3/04 (2006.01) G01K 11/06 (2006.01)

Patent

CA 2076393

ABSTRACT OF THE DISCLOSURE A marking element for use in conjunction with a product which needs to be maintained under a pre-determined temperature condition. The marking element comprises a fusible material which flows above the predefined temperature and which comprises polycaprolactone triol, polyethylene glycol C1-4 alkyl ether, polyethylene glycol, polyvinyl alcohol, and an indicator system which upon fusion of said material causes a physically detectable change to be produced.

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