Patent ID: 9334839
Filing Date: 2016-05-10
CPC Classification: B01D,F02M

Claim Text:
1. A method of filtering air for use in a combustion engine using a filter comprising a treated filter fabric and treated filter foam, the method comprising: directing the air into the treated filter fabric, the treated filter fabric having an ionizing agent, an organo silane quarternary amine antimicrobial, and a binder comprising guar gum and ammonium sulfate, the binder binding the ionizing agent and the organo silane quarternary amine antimicrobial to the treated filter fabric; as air moves through the treated filter fabric, removing a first set of contaminants; directing the air from the treated filter fabric into the adjacent treated filter foam, the treated foam having an ionizing agent, an organo silane quarternary amine antimicrobial, and a binder comprising guar gum and ammonium sulfate, the binder binding the ionizing agent and the organo sillane quarternary amine antimicrobial to the treated filter foam; as air moves through the treated filter foam, removing a second set of contaminants.