Method of making a smoking composition
US6789548B2 · kind B2 · utility
61Cited by
97References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Nov 9, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/163
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to smoking articles such as cigarettes, and in particular to catalytic systems containing metallic or carbonaceous particles that reduce the content of certain harmful or carcinogenic substances, including polyaromatic hydrocarbons, tobacco-specific nitrosamines, carbazole, phenol, and catechol, in mainstream cigarette smoke and in side stream cigarette smoke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.