Time-temperature indicator
AssigneesEos GmbH, Stefano Maccagnani
InventorsStefano Maccagnani, Andrea Amato
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Abstract
The present invention relates to a visual time-temperature indicator which comprises a first and a second element each comprising a hydrogel, wherein said first element further comprises at least one alkalinizing agent, and said second element comprising further at least one food colouring.
Claims15
A visual time-temperature indicator which comprises a first and a second element each comprising a hydrogel, wherein said first element further comprises at least one alkalinizing agent and said second element further comprising at least one food colouring, wherein said first and second elements are at least partially in contact with each other through a contact surface, wherein each hydrogel comprises a gelatine of animal or plant origin with a Bloom number comprised between 200 and 350.
Dependencies are inferred from the claim text.