Patent · US Active

Filtration media and applications thereof

US8728217B2 · kind B2 · utility

8Cited by

16References

51Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Vedagiri Velpari · Monroeville, US
Jian Meng · Pittsburgh, US
Dennis W. Gilmore · Lancaster, US
Timothy E. Marsh · Washington, US
James H. P. Watson · St Austell, GB
Stuart D. Hellring · Yardley, US
Paul A. Westbrook · Cherryville, US

Key dates

Filing date	Jul 14, 2011
Grant date	May 20, 2014
Priority date	—
Expiry date	Jan 5, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2239/1291
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric.

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