Filter material and process for producing same
US7972458B2 · kind B2 · utility
5Cited by
22References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2008 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | May 5, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter material and process for producing a filter material, which may be used as a vacuum cleaner bag or a household air filter, are provided. Embodiments of the filter material comprise a porous substrate comprising a plurality of recycled fibers bound together by an adhesive. Embodiments of the process comprise arranging a plurality of fibers to form a layer; providing an amount of an adhesive to the fibers such that when the adhesive has cured, the layer is porous; and curing the adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.