Invention Grant
US09497991B2 Smoking article with colour change segment 有权
吸烟用品与变色片段

Smoking article with colour change segment
Abstract:
The present invention relates to a smoking article (9) comprising a mouthpiece (1), a color change segment and a rupturable, fluid-containing capsule (5). The color change segment is adapted to interact with the fluid from the rupturable fluid-containing capsule such that, upon interaction, the color change segment shows a color change when the capsule is ruptured. The smoking article comprises a permeable outer wrapper which is in a first region covered with an impermeable coating such that the first region is impermeable, wherein a second region, which is not covered by the impermeable coating, is permeable.
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