Based in Scotland, Insignia Technologies develops a range of smart pigments and inks that change color when exposed to carbon dioxide that is used to indicate when a fresh product should no longer be consumed. The product is mainly used in the food packaging industry, with time-temperature indicators (tti’s ). Insignia’s technology can be inserted into plastic food packaging as well.
As of 2024, Insignia’s products included 1) After Opening Freshness Timer, 2) Leak Detection Indicators (which visually indicate a leak present in the packaging), and 3) FreshTag Smart Labels (an indicator designed to change color over a pre-set time period and specified temperature range).
The technology can also be applied to the pharmaceutical ( e.g endoscopes), cosmetic, and chemical industries. During the COVID pandemic, Insignia Technologies developed a smart solution alerting users when to replace their face masks so that it is neither worn for too long nor thrown away too quickly.
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