Smoke filter containing particulate smoke modifying additive
US5662126A · kind A · utility
18Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Nov 7, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/166
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A filter having a longitudinal axis and having a tube formed by at least one strip [2] which is pre-coated with particulate smoke modifying additive [4] adhering thereto and which curves through at least 360.degree. about the longitudinal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.