Patent · US Active

Filter materials for treating and purifying gas

US9440219B2 · kind B2 · utility

7Cited by

0References

19Claims

0Family size

Assignees

BLÜCHER GMBH · DE
FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG · DE

Inventors

Bertram Böhringer · Erkrath, DE
Ilsebill Eckle · Gelsenkirchen, DE
Peter Wasserscheid · Cologne, DE
Daniel Roth · Erlangen, DE

Key dates

Filing date	May 25, 2012
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Aug 31, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2259/4508
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a filter material which is used, in particular in filters or as a filter for treating and/or purifying gas, in particular for clean room environments. The filter material comprises at least one activated carbon, in particular with reactive and/or catalytic finishing and the activated carbon is present in the form of discrete activated carbon particles, preferably in a spherical and/or grain form. The activated carbon comprises and/or is provided with at least one metal component which contains at least one metal-containing ionic liquid (IL), containing in particular metal ions, preferably based on a metal compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.