Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer
US9408424B2 · kind B2 · utility
19Cited by
44References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Aug 12, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D13/1176
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Herein is disclosed a shaped filtering face-piece respirator having a face seal that includes a water-vapor-breathable layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.