US 12,491,458 B2
Filters with mechanical and electrostatic filtering capabilities
Andrew G. Platt, Middletown, DE (US); and Lenny Pompeo, Middletown, DE (US)
Assigned to DelStar Technologies, Inc., Alpharetta, GA (US); and LMS Technologies, Inc., Bloomington, MN (US)
Filed by DelStar Technologies, Inc., Middletown, DE (US); and LMS Technologies, Inc., Bloomington, MN (US)
Filed on Apr. 7, 2023, as Appl. No. 18/297,188.
Claims priority of provisional application 63/328,970, filed on Apr. 8, 2022.
Prior Publication US 2023/0321569 A1, Oct. 12, 2023
Int. Cl. B01D 39/16 (2006.01); B32B 27/28 (2006.01)
CPC B01D 39/163 (2013.01) [B01D 2239/0216 (2013.01); B01D 2239/0258 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0609 (2013.01); B01D 2239/086 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1291 (2013.01)] 12 Claims
OG exemplary drawing
 
9. A filter media comprising:
a substrate comprising fibers and nanoparticles, wherein the fibers have a linear density of greater than about 3 denier;
wherein the substrate mechanically filters contaminants; and
wherein the substrate electrostatically filters contaminants.