Smoking article comprising a tube filter and a method of manufacturing the same
US12290097B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2020 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Apr 7, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/18
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of manufacturing a smoking article including a tube filter includes preparing a smoking material portion, a first tube filter flavored by a first flavoring liquid, and a mouthpiece flavored by a second flavoring liquid; and combining and packaging the smoking material portion, the first tube filter, and the mouthpiece with a wrapper, wherein the preparing comprises applying the first flavoring liquid inside the first tube filter through a hollow of the first tube filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.