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US 6,214,303 B1Granted
Method and apparatus for treating the atmosphere
AssigneeEngelhard Corporation
InventorsJeffrey B. Hoke, John R. Novak, John J. Steger, Terence C. Poles, L. Michael Quick, Ronald M. Heck, Zhicheng Hu, Michael Durilla
Life of this patent
Estimating the term…
Abstract
Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate having at least one ambient air contacting surface having a pollutant treating material thereon.
Claims17
A method of treating the atmosphere comprising ambient air comprising:
- contacting the ambient air with a stationary air handling system for facilities selected from the group consisting of residential buildings, commercial buildings, industrial buildings, power plants, oil refineries, and chemical plants, the air handling system comprising a substrate selected from the group consisting of fan blades, ducts, louvers, grills, motor housings, filtration media, screens, coils, fins and plates, the substrate further comprising aluminum surfaces, at least a portion of said surfaces being coated with a pollutant treating composition consisting essentially of manganese oxide which is free or substantially free of copper and/or oxides thereof.
Dependencies are inferred from the claim text.