Smart mask
US11937653B2 · kind B2 · utility
0Cited by
37References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2021 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | May 27, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2525
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A face mask includes a non-woven fabric filter configured to be worn on a user's face. A composition with anti-viral properties is arranged on the fabric. The composition preferably includes anti-viral oils and an anti-viral metal such as copper or copper oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.