Nonwoven sliver-based filter medium for filtering particulate matter
US10722829B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 30, 2018 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Aug 28, 2038 |
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.