Wrapper for smoking article
US6722372B1 · kind B1 · utility
5Cited by
13References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jul 20, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article particularly to eliminate spotting or staining and provide good smoke quality includes a double wrap smoking article which includes an outer wrap of a conventional cigarette paper and an inner wrap which is comprised of from about 55 to 85% wood fibers and 15 to 45% flax fibers, a basis weight of 12-15 gm/M2 and a porosity of 200 to 160,000 Coresta or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.