Facemask with filtering closure
US8091551B2 · kind B2 · utility
6Cited by
16References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2003 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jul 28, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/699
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided a protective media and a method of manufacturing the same. In one aspect, the protective media includes a porous dielectric carrier, an active agent incorporated in the porous dielectric carrier, and an electrostatic charge across at least a portion of the porous dielectric carrier. This innovative media is capable of eradicating microorganisms and/or toxins more efficiently than prior art solutions and can also self sterilize.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.