Filter material comprising polylactide fibres
US9241512B2 · kind B2 · utility
0Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2012 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Jun 25, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/068
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to filter material for inclusion in the filter or filter element of a 5 smoking article, said filter material comprising polylactide fibers and a plasticizer. The invention also relates to filters or filter elements comprising the filter material, and smoking articles comprising the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.