Hydrophobic tipping paper
US11219239B2 · kind B2 · utility
0Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2015 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Aug 7, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article includes a tobacco substrate and a mouthpiece axially aligned in an abutting end to end relationship with the tobacco substrate. Hydrophobic tipping paper is disposed about the mouthpiece. The tipping paper is hydrophobic due to hydrophobic groups covalently bonded to the tipping paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.