Method and apparatus for producing particle bearing filter rod
US6723033B1 · kind B1 · utility
25Cited by
33References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2000 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Mar 2, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/0212
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method and apparatus for delivering predetermined amounts of particulate material and/or plasticizer to a location remote from the particulate material, and a cigarette filter and a cigarette made according to the method and apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.