Adsorption filter material and its use
US7354475B2 · kind B2 · utility
5Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 2005 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Apr 5, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2516
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas and water vapor pervious adsorption filter material having a protective function against biological and chemical noxiants and poisons and a multilayered layer construction including a first sheetlike carrier layer, a second sheetlike carrier layer and, interposed between the first carrier layer and the second carrier layer, an adsorbing layer, the adsorbing layer comprising an activated carbon fiber fabric which is durably adhered to the first carrier layer and to the second carrier layer by means of an adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.