Hydrophobic smoking article tube
US10893698B2 · kind B2 · utility
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20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2016 |
| Grant date | Jan 19, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/067
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article tube includes an elongated tube having a mouthpiece segment at a first end and an empty smokable material cavity defined by a second end of the elongated tube opposing the first end. A hydrophobic tube region includes hydrophobic groups covalently bonded to the elongated tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.