Coated, reticulated foam air filter suitable for respiration
US10183249B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
Inventors
Key dates
| Filing date | Mar 9, 2016 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Mar 9, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A coated, reticulated foam air filter for filtering air suitable for respiration is described. The air filter comprises a reticulated foam structure and a nontoxic tackified coating applied to a functional surface of the foam structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.