Cigarette paper with filler material with special particle size distribution
US9414626B2 · kind B2 · utility
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1References
14Claims
0Family size
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Key dates
| Filing date | Oct 8, 2013 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Oct 8, 2033 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/52
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cigarette paper is disclosed which contains pulp fibres and filler material particles, wherein at least 50% by weight, preferably at least 70% by weight and particularly at least 90% by weight of the filler material has a particle size distribution measured in accordance with ISO 13320 for which for the distribution parameter p=d10+2·d30+2·d70-d90 holds: p≦5.0 μm, preferably p≦4.0 μm and particularly preferably p≦3.5 μm, and p≧−1.0 μm, preferably p≧0.0 μm and particularly preferably p≧1.0 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.