US Patent 7377965 Air filtration media comprising metal-doped silicon-based gel materials
Patent 7377965 was granted and assigned to J.M. Huber Corporation on May, 2008 by the United States Patent and Trademark Office.
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The present invention relates generally to an environmental control unit for use in air handling systems that provides highly effective filtration of noxious gases (such as ammonia). Such a filtration system utilizes novel metal-doped silica-based gels to trap and remove such undesirable gases from an enclosed environment. Such gels exhibit specific porosity requirements and density measurements. Furthermore, in order for proper metal doping to take effect, such gels must be treated while in a wet state. The combination of these particular properties and metal dopant permits highly effective noxious gas filtration such that uptake and breakthrough results are attained, particularly in comparison with prior silica gel filtration products. Methods of using and specific filter apparatuses are also encompassed within this invention.
US Patent 07377965 Air filtration media comprising metal-doped silicon-based gel materials US Patent 7377965 Air filtration media comprising metal-doped silicon-based gel materials
US Patent 07377965 Air filtration media comprising metal-doped silicon-based gel materials
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