Smoking article with heat resistant sheet material
US8915255B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2011 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article includes a sheet material comprising a fibrous layer formed of cellulosic fibers and at least 50% by weight of inorganic filler material having a particle size in range of from 0.1 microns and 50 microns, wherein the sheet material has a tensile strength of at least 900 N/m. The fibrous layer preferably further comprises a binder material, preferably an organic binder material such as a cellulosic binder material. A coating layer may be provided on at least one side of the fibrous layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.