Regenerable pleated filter medium
US8968445B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2010 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Sep 5, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/51
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides regenerable pleated media and filter elements and combinations thereof for use in a clean room environment for removal of airborne molecular contamination. Disclosed is a pleated filter media for a clean room environment wherein the pleated filter media comprises at least an adsorbent first layer of activated carbon or polymer wherein said activated carbon or polymer together with fibers and/or an adhesion agent is enclosed between two second layers of non woven with a grid positioned on at least one side of either of the second layers or incorporated in the first layer for preventing deformation of the pleated filter media when regenerated by a heated air flow above 100° C. at 1 atm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.