Nonwoven sliver-based filter medium for filtering particulate matter
US11896921B2 · kind B2 · utility
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13References
19Claims
0Family size
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Key dates
| Filing date | Mar 25, 2022 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Mar 25, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1291
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter medium for filtering matter from a fluid and the manufacture thereof are provided. In one exemplary embodiment, a method may be performed by a filter medium for filtering particulate matter from a fluid. Further, the filter medium may include a nonwoven sliver formed into a predetermined shape and composed of first synthetic staple fibers having a first denier, second synthetic staple fibers having a second denier, and third synthetic staple fibers having a third denier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.