Smoking article with colour change segment
US9497991B2 · kind B2 · utility
47Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2012 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Dec 3, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/061
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.