Fine fiber filter media and processes
US11458427B2 · kind B2 · utility
0Cited by
91References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Nov 12, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1266
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fine fiber products including fiber webs, as well as related assemblies, systems and methods, are described. In some embodiments, fiber webs described herein may include fine fibers and relatively low amounts of degraded polymer formed during a fiber extrusion process. The fiber webs may be used for filter media applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.