Cigarette paper for self-extinguishing cigarettes
US9392818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2013 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Oct 22, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24C5/005
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to a cigarette paper for self-extinguishing cigarettes. The cigarette paper comprises bands onto which a material reducing the diffusion capacity is applied, wherein a band comprises two band-like outer zones (18a, 18b) and a band-like central zone (20) therebetween. The said material is applied substantially over the entire surface up to the outer zones (18a, 18b) of the band (10). The aforementioned material is additionally applied to at least 70%, preferably at least 75% and/or at most 95%, preferably at most 90% of the surface of the central zone (20). The surface (22) to which the said material is applied is path-connected. The surface of the central zone (20), to which the said material is applied is likewise path-connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.