Filter media and elements
US12023613B2 · kind B2 · utility
0Cited by
80References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 14, 2022 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Jun 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1233
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fibrous filter medium that includes a melt-blown filter layer comprising melt-blown fibers and a high-efficiency glass-containing filter layer comprising glass fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.