Cigarette paper having a flavorant which improves sidestream smoke smell, and a cigarette
US6557561B1 · kind B1 · utility
12Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2000 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Sep 22, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cigarette paper having a sidestream smoke smell-improving agent including a lactone in its free state, or a salt of a hydroxy acid corresponding to the lactone, as well as a cigarette wrapped by the cigarette paper. The salt of the hydroxy acid can be an alkali metal salt or an alkaline earth metal salt. The lactone can be a lactone having five or more ring members. The lactone can be a &ggr;-lactone or a &dgr;-lactone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.