Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 29, 2019
Patent Application Number
15180073
Date Filed
June 12, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention discloses methods and apparatus(es) for the removal and control of pollutants such as gases and suspended particulates in the air of an enclosed space or an outdoor environment by passing the air through absorbent media. The absorbent media includes any liquid, solid or combination of liquid and solid media that is capable of absorbing a material in which it comes in contact. In one aspect of the invention, formaldehyde is removed by air sparging through a liquid such as water, optionally containing additional scavenging agents.
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