Vacuum cleaner filter bag
US8066803B2 · kind B2 · utility
10Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2007 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Oct 25, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to vacuum cleaner filter bag with a bag wall made of a filter material, wherein the bag wall and/or the interior of the vacuum cleaner filter bag comprise fibres containing a biopolymer and having an antibacterial effect and/or a powder produced from a biopolymer and having an antibacterial effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.