Filter for a smoking article
US9259031B2 · kind B2 · utility
12Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2012 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Jul 5, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/163
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A filter for a smoking article comprises a monolith. The monolith is produced forming particles of a partially cured resin into a dough, shaping the dough to produce a monolith, sintering the particles, carbonizing and activating the sintered monolith, and incorporating the monolith into a smoking article filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.