Patent No. EP4190176 (titled "Smoking Substitute Consumable") was filed by Imperial Tobacco on Oct 25, 2019. The application was issued on May 21, 2025.
A consumable for heat-not-burn (HNB) smoking substitute systems, comprising a slurry-type reconstituted plant material with a coating of flavourant, wherein the flavourant content is up to 20% by weight of the plant material. The plant material is preferably tobacco, and the flavourant coating enhances the user experience and improves the function of the HNB system.

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