Hydrophobic wrapper
US10588346B2 · kind B2 · utility
0Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2015 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Oct 15, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article (10) includes a tobacco substrate (20) comprising at least 15% humectant and a hydrophobic paper wrapper (40) disposed about the tobacco substrate. The paper wrapper (40) is hydrophobic due to hydrophobic groups covalently bonded to the paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.