Air purifier filter
US11839847B2 · kind B2 · utility
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0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2020 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Sep 5, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air purifier filter is proposed. The air purifier filter includes: a filter body having an inlet and an outlet therein such that air flows therethrough, and a receiving space having formed therein; a substrate provided in the receiving space of the filter body; and activated carbon attached to a surface of the substrate, wherein the substrate has a three-dimensional corrugated structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.