Smoking articles using novel paper wrapper
US5168884A · kind A · utility
40Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1991 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Apr 12, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The calcium carbonate filler level or the basis weight of a paper wrapper for a smoking article is varied to enable the designing of smoking articles with specific characteristics including a specific puff count, tar delivery and carbon monoxide delivery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.