Smoking article with liquid delivery material
US9986759B2 · kind B2 · utility
2Cited by
16References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2012 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Jul 10, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/061
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article (10) incorporates a sustained release liquid delivery material (20), the liquid delivery material comprising a closed matrix structure defining a plurality of domains. A liquid composition is trapped within the domains and is releasable from the closed matrix structure upon compression of the material. The liquid delivery material (20) provides a sustained release of the liquid composition over a range of force of at least 5 Newtons. Preferably, the liquid delivery material is provided within the filter (14) of the smoking article (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.